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首页 > 供应产品 > TLC PharmaChem 标准品 对照品 杂质（12）
TLC PharmaChem 标准品 对照品 杂质（12）
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产品： 浏览次数：125TLC PharmaChem 标准品 对照品 杂质（12） 
品牌： TLC PharmaChem 标准品 对照品 杂质
TLC PharmaChem 标准品 对照品 杂质： TLC PharmaChem 标准品 对照品 杂质
TLC PharmaChem 标准品 对照品 杂质： TLC PharmaChem 标准品 对照品 杂质
TLC PharmaChem 标准品 对照品 杂质： TLC PharmaChem 标准品 对照品 杂质
单价： 面议
最小起订量： 1
供货总量： 1000
发货期限： 自买家付款之日起 3 天内发货
有效期至： 长期有效
最后更新： 2014-08-26 16:54
  询价
详细信息
Quinfamide
CAS No. 62265-68-3
C16H13Cl2NO4 M.W. 354.19
Q-001001 
Quinfamide		 Quinoxyfen-d4
CAS No. 124495-18-7 (non-labelled)
C15H4Cl2FNOD4 M.W. 312.17
Q-007001 
Quinoxyfen-d4
Quinoxyfen
CAS No. 124495-18-7
C15H8Cl2FNO M.W. 308.14
Q-007002 
Quinoxyfen		 Quetiapine-d8 Hemifumarate
C42H34N6O4S2D16.C4H4O4 M.W. 783.13 116.07
Q-011 
Quetiapine-d8 Hemifumarate
Quetiapine-d4 Hemifumarate
C42H42N6O4S2D8.C4H4O4 M.W. 775.08 116.07
Q-0110 
Quetiapine-d4 Hemifumarate		 Quetiapine O-Ethanol Impurity
C23H29N3O3S M.W. 427.57
Q-0111 
Quetiapine O-Ethanol Impurity
Quetiapine Impurity E
C40H44N6O2S2 M.W. 704.96
Q-0112 
Quetiapine Impurity E		 2-Nitro-4'-Chlorodiphenyl Sulfide
C12H8ClNO2S M.W. 265.72
Q-0113 
2-Nitro-4'-Chlorodiphenyl Sulfide
Quetiapine Related Compound (Phenyl-2-(phenyl thio)phenyl carbamide)
CAS No. 111974-73-3
C19H15NO2S M.W. 321.40
Q-0114 
Quetiapine Related Compound (Phenyl-2-(phenyl thio)phenyl carbamide)		 Quetiapine Impurity (2- Aminodiphenyl Sulfide)
CAS No. 1134-94-7
C12H11NS M.W. 201.29
Q-0115 
Quetiapine Impurity (2- Aminodiphenyl Sulfide)
Quetiapine
CAS No. 111974-69-7
C21H25N3O2S M.W. 383.52
Q-0116 
Quetiapine		 Quetiapine Impurtiy G (Dibenzo[b,f][1,4]thiazepine-11(10-H)-one)
CAS No. 3159-07-7
C13H9NOS M.W. 227.29
Q-0117 
Quetiapine Impurtiy G (Dibenzo[b,f][1,4]thiazepine-11(10-H)-one)
Quetiapine Impurity Q [Quetiapine-N-Di(ethoxyethanol)]
CAS No. N/A
C25H34N3O4S M.W. 472.63
Q-0118 
Quetiapine Impurity Q [Quetiapine-N-Di(ethoxyethanol)]		 Quetiapine Sulfone
CAS No. 329216-65-1
C21H25N3O4S M.W. 415.52
Q-0119 
Quetiapine Sulfone
Quetiapine Impurity S (Quetiapine Sulfoxide)
CAS No. 329216-63-9
C21H25N3O3S M.W. 399.52
Q-012 
Quetiapine Impurity S (Quetiapine Sulfoxide)		 2-[2-(4-Dibenzo[b,f] [1,4]thiazepine-11-yl-1-piperazineyl)ethoxyl]-1-ethyl Ethanol
CAS No. N/A
C24H33N3O2S M.W. 427.61
Q-0120 
2-[2-(4-Dibenzo[b,f] [1,4]thiazepine-11-yl-1-piperazineyl)ethoxyl]-1-ethyl Ethanol
2-(2-Hydroxyethoxy)ethyl 2-[2-(4-Dibenzo[b,f] [1,4]thiazepine-11-piperazineyl)] -1-carboxylate
CAS No. N/A
C22H27N3O4S M.W. 429.54
Q-0121 
2-(2-Hydroxyethoxy)ethyl 2-[2-(4-Dibenzo[b,f] [1,4]thiazepine-11-piperazineyl)] -1-carboxylate		 Quetiapine Impurity J
C25H33N3O4S M.W. 471.62
Q-0122 
Quetiapine Impurity J
Quetiapine Impurity 1
C22H25N3O4S M.W. 427.53
Q-0123 
Quetiapine Impurity 1		 Quetiapine Impurity F(Quetiapine Impurity 2)
C21H27N3O3S M.W. 401.53
Q-0124 
Quetiapine Impurity F(Quetiapine Impurity 2)
Quetiapine Impurity 3
C23H29N3O2S M.W. 411.57
Q-0125 
Quetiapine Impurity 3		 Quetiapine Impurity A (Quetiapine O-Acetyl Impurity)
CAS No. N/A
C23H27N3O3S C4H4O4 M.W. 425.55 116.07
Q-0126 
Quetiapine Impurity A (Quetiapine O-Acetyl Impurity)
Quetiapine Impurity C
CAS No. N/A
C40H42N6O3S2 M.W. 718.95
Q-0127 
Quetiapine Impurity C		 Quetiapine Impurity F (11-Chlorodibenzo[b,f][1,4]thiazepine)
CAS No. 13745-86-3
C13H8ClNS M.W. 245.73
Q-0128 
Quetiapine Impurity F (11-Chlorodibenzo[b,f][1,4]thiazepine)
Quetiapine Impurity T (Quetiapine Morpholine Impurity)
CAS No. 5747-46-6
C17H16N2OS M.W. 296.39
Q-0129 
Quetiapine Impurity T (Quetiapine Morpholine Impurity)		 7-Hydroxy Quetiapine
CAS No. 139079-39-3
C21H25N3O3S M.W. 399.52
Q-013 
7-Hydroxy Quetiapine
Quetiapine Impurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fumarate))
CAS No. 1011758-03-4 (free base)
C19H21N3S. C4H4O4 M.W. 323.46 116.07
Q-0130 
Quetiapine Impurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fumarate))		 Quetiapine Impurity K
CAS No. N/A
C23H29N3O4S M.W. 443.57
Q-0131 
Quetiapine Impurity K
Quetiapine Impurity L
CAS No. N/A
C21H24ClN3O2S M.W. 417,96
Q-0132 
Quetiapine Impurity L		 Quetiapine Impurity N DiHCl
CAS No. N/A
C29H41N5O3S. 2 HCl M.W. 539.75 2 36.46
Q-0133 
Quetiapine Impurity N DiHCl
Quetiapine Impurity O
CAS No. N/A
C40H39N3O2S M.W. 625.84
Q-0134 
Quetiapine Impurity O		 Quetiapine Impurity U
CAS No. N/A
C13H10N2S M.W. 226.30
Q-0135 
Quetiapine Impurity U
Quetiapine Impurity V
CAS No. N/A
C21H25N3O2 M.W. 351.45
Q-0136 
Quetiapine Impurity V		 Quetiapine Impurity W
CAS No. N/A
C34H32N4O2S M.W. 592.79
Q-0137 
Quetiapine Impurity W
Quetiapine Impurity [2-(2-Piperazin-1-yl)ethoxy)ethanol]
CAS No. N/A
C8H18N2O2 M.W. 174.24
Q-0138 
Quetiapine Impurity [2-(2-Piperazin-1-yl)ethoxy)ethanol]		 7-Hydroxy N-Desalkyl Quetiapine
C17H17N3OS M.W. 311.41
Q-0139 
7-Hydroxy N-Desalkyl Quetiapine
7-Hydroxy Quetiapine-d4
CAS No. 139079-39-3 (non-d)
C21H21N3O3SD4 M.W. 403.54
Q-014 
7-Hydroxy Quetiapine-d4		 Quetiapine Impurity H (Quetiapine-N-Oxide)
C21H25N3O3S M.W. 399.52
Q-015 
Quetiapine Impurity H (Quetiapine-N-Oxide)
Quetiapine Hemifumarate
C42H50N6O4S .C4H4O4 M.W. 767.03 116.07
Q-016 
Quetiapine Hemifumarate		 Quetiapine Impurity D (Quetiapine Dimer Impurity)
CAS No. 945668-94-0
C30H24N4S2 M.W. 504.68
Q-017 
Quetiapine Impurity D (Quetiapine Dimer Impurity)
Quetiapine Impurity I (Quetiapine Hydroxy Impurity)
CAS No. 329216-67-3
C19H21N3OS M.W. 339.46
Q-018 
Quetiapine Impurity I (Quetiapine Hydroxy Impurity)		 Quetiapine Impurity B
C17H17N3S.2 HCl M.W. 295.41 2 36.46
Q-019 
Quetiapine Impurity B
Quinapril HCl
CAS No. 82586-55-8
C25H30N2O5.HCl M.W. 474.99
Q-021 
Quinapril HCl		 Quinapril N-Oxide
C25H30N2O6 M.W. 454.53
Q-0210 
Quinapril N-Oxide
Quinapril Impurity G
CAS No. N/A
C25H30N2O5 M.W. 438.53
Q-0211 
Quinapril Impurity G		 Quinapril Impurity H
CAS No. N/A
C25H30N2O5 M.W. 438.53
Q-0212 
Quinapril Impurity H
Quinapril Impuriy I
CAS No. N/A
C25H30N2O5 M.W. 438.53
Q-0213 
Quinapril Impuriy I		 Quinapril-d5
CAS No. 82586-55-8(non-d)
C25H25D5N2O5 M.W. 443.56
Q-022 
Quinapril-d5
Quinaprilat
CAS No. 82768-85-2
C23H26N2O5 M.W. 410.47
Q-023 
Quinaprilat		 Quinaprilat-d5
CAS No. 82768-85-2(non-d)
C23H21D5N2O5 M.W. 415.50
Q-024 
Quinaprilat-d5
Quinapril-d5 HCl
C25H25N2O5D5.HCl M.W. 443.56 36.46
Q-025 
Quinapril-d5 HCl		 Quinapril cyclohexyl Analogue
C25H36N2O5 M.W. 444.58
Q-026 
Quinapril cyclohexyl Analogue
Quinapril Impurity D
C25H28N2O4 M.W. 420.51
Q-027 
Quinapril Impurity D		 Quinapril Impurity E
C25H36N2O5 M.W. 444.58
Q-028 
Quinapril Impurity E
Quinapril Impurity M
C25H30N2O7 M.W. 470.53
Q-029 
Quinapril Impurity M		 Quinine-d3
CAS No. 130-95-0 (non-d)
C20H21N2O2D3 M.W. 327.44
Q-031 
Quinine-d3
3-Hydroxy Quinine-d3
CAS No. 78549-61-8 (non-d)
C20H21N2O3D3 M.W. 343.44
Q-033 
3-Hydroxy Quinine-d3		 Quinine
C20H24N2O2 M.W. 324.43
Q-034 
Quinine
(3S)-3-Hydroxy Quinine
C20H24N2O3 M.W. 340.43
Q-035 
(3S)-3-Hydroxy Quinine		 (3R)-3-Hydroxy Quinine
C20H24N2O3 M.W. 340.43
Q-036 
(3R)-3-Hydroxy Quinine
(3R)-3-Hydroxy Quinine
C20H24N2O3 M.W. 340.43
Q-036 
(3R)-3-Hydroxy Quinine		 Quinine Hydrogen Sulfate Dihydrate
C40H48N4O4.2H2O.H2O4S M.W. 648.85 36.03 98.08
Q-037 
Quinine Hydrogen Sulfate Dihydrate
O-Desmethyl Quinine
C19H22N2O2 M.W. 310.40
Q-038 
O-Desmethyl Quinine		 Quininone (Quinine Sulfate Impurity)
CAS No. 84-31-1
C20H22N2O2 M.W. 322.41
Q-039 
Quininone (Quinine Sulfate Impurity)
Quinidine N-Oxide
C20H24N2O3 M.W. 340.43
Q-041 
Quinidine N-Oxide		 (3S)-3-Hydroxy Quinidine
C20H24N2O3 M.W. 340.43
Q-042 
(3S)-3-Hydroxy Quinidine
(3R)-3-Hydroxy Quinidine
C20H24N2O3 M.W. 340.43
Q-043 
(3R)-3-Hydroxy Quinidine		 Quinidine-d3
C20H21N2O2D3 M.W. 327.44
Q-044 
Quinidine-d3
N-Methyl Quinidine-d3
CAS No. N/A
C21H24N2O2D3 I M.W. 342.48 126.90
Q-045 
N-Methyl Quinidine-d3		 Mono-3-Hydroxyethyl-Quercetin
C17H14O8 M.W. 346.30
Q-051 
Mono-3-Hydroxyethyl-Quercetin
Mono-4-Hydroxyethyl-Quercetin
C17H14O8 M.W. 346.30
Q-052 
Mono-4-Hydroxyethyl-Quercetin		 Mono-3-Hydroxyethyl-Quercetin-Glucuronide
C23H22O14 M.W. 522.42
Q-053 
Mono-3-Hydroxyethyl-Quercetin-Glucuronide
Mono-4-Hydroxyethyl-Quercetin-Glucuronide
C23H22O14 M.W. 522.42
Q-054 
Mono-4-Hydroxyethyl-Quercetin-Glucuronide		 Quinagolide
CAS No. 87056-78-8
C20H33N3O3S M.W. 395.57
Q-061 
Quinagolide
N-Desethyl Quinagolide
C18H29N3O3S M.W. 367.51
Q-062 
N-Desethyl Quinagolide		 N-Didesethyl Quinagolide
C16H25N3O3S M.W. 339.46
Q-063 
N-Didesethyl Quinagolide
Quinagolide metabolite 1
C18H29N3O3S M.W. 367.51
Q-064 
Quinagolide me<em></em>tabolite 1		 Quinagolide-d10
C20H23N3O3SD10 M.W. 405.63
Q-065 
Quinagolide-d10
Quinagolide metabolite 2
C16H25N3O3S M.W. 339.46
Q-066 
Quinagolide me<em></em>tabolite 2		 Quinagolide Related Compound
C17H28N4O5S2 M.W. 432.56
Q-067 
Quinagolide Related Compound
 
Rapamycin (Sirolimus)
CAS No. 53123-88-9
C51H79NO13 M.W. 914.20
PF-0016 
Rapamycin (Sirolimus)		 Raloxifene Impurity A
C42H44N2O6S M.W. 704.89
R-01011 
Raloxifene Impurity A
Raloxifene Impurity C
C28H27NO5S M.W. 491.61
R-01012 
Raloxifene Impurity C		 Raloxifene Impurity B
C28H27NO4S M.W. 473.60
R-01013 
Raloxifene Impurity B
Raloxifene Impurity D
CAS No. 177744-96-6
C21H14O4S M.W. 362.41
R-01014 
Raloxifene Impurity D		 Raloxifene-d4 HCl
CAS No. 1188263-47-9
C28H23NO4SD4. HCl M.W. 477.62 36.46
R-011 
Raloxifene-d4 HCl
Raloxifene Impurity I, N-oxide
CAS No. N/A
C42H44N2O8S M.W. 736.89
R-0110 
Raloxifene Impurity I, N-oxide		 Raloxifene HCl
C28H27NO4S. HCl M.W. 473.60 36.46
R-0111 
Raloxifene HCl
Raloxifene Dimethoxy Impurity
C30H31NO4S M.W. 501.65
R-0112 
Raloxifene Dimethoxy Impurity		 Raloxifene Impurity III
C14H19NO3 . HCl M.W. 249.31 36.46
R-0113 
Raloxifene Impurity III
Raloxifene-4' -glucuronide
CAS No. 182507-22-8
C34H35NO10S M.W. 649.72
R-012 
Raloxifene-6-glucuronide
CAS No. 182507-22-8(non-d)
C34H31NO10SD4 M.W. 653.75
R-014 
Raloxifene-6-Glucuro<em></em>nide Lithium Saltnide="" lithium="" c34h34no10s.li="" c34h31no10sd4="" />
C34H34NO10S.Li M.W. 648.71 6.94
R-017 
Raloxifene-4
C40H41NO16S . 2 Li M.W. 823.83 2 6.94
R-018 
Raloxifene-4',6-Diglucuro<em></em>nide Lithium Salt		 Raloxifene Impurity I
CAS No. N/A
C42H44N2O6S M.W. 704.89
R-019 
Raloxifene Impurity I
Ramipril
CAS No. 87333-19-5
C23H32N2O5 M.W. 416.52
R-021 
Ramipril		 Ramipril Impurity O
CAS No. N/A
C30H38N2O6 M.W. 522.65
R-0210 
Ramipril Impurity O
Ramipril Meglumine Amide
CAS No. N/A
C28H43N3O9 M.W. 565.67
R-0211 
Ramipril Meglumine Amide		 Ramipril Isomer 1
CAS No. N/A
C23H32N2O5 M.W. 416.52
R-0212 
Ramipril Isomer 1
Ramipril-d5
CAS No. 87333-19-5
C23H27D5N2O5 M.W. 421.55
R-022 
Ramipril-d5		 Ramiprilat
CAS No. 87269-97-4
C21H28N2O5 M.W. 388.47
R-023 
Ramiprilat
Ramiprilat-d5
CAS No. 87269-97-4(non-d)
C21H23N2O5D5 M.W. 393.50
R-024 
Ramiprilat-d5		 Ramipril Acyl Glucuronide
C29H40N2O11 M.W. 592.65
R-025 
Ramipril Acyl Glucuronide
Ramiprilat Acyl Glucuronide
C27H36N2O11 M.W. 564.59
R-026 
Ramiprilat Acyl Glucuronide		 Ramipril Diketopiperazine
C23H30N2O4 M.W. 398.51
R-027 
Ramipril Diketopiperazine
Ramipril Impurity K (Mixture of Isomers)
C21H26N2O4 M.W. 370.45
R-028 
Ramipril Impurity K (Mixture of Isomers)		 Ramipril Impurity N
C23H32N2O5 M.W. 416.52
R-029 
Ramipril Impurity N
Ranitidine-S-Oxide
CAS No. 73851-70-4
C13H22N4O4S M.W. 330.41
R-031 
Ranitidine-S-Oxide		 Ranitidine N-Oxide
CAS No. 73857-20-2
C13H22N4O4S M.W. 346.41
R-032 
Ranitidine N-Oxide
Ranitidine-d6
CAS No. 66357-35-5
C13H16D6N4O3S M.W. 336.44
R-033 
Ranitidine-d6		 Ranitidine Impurity J
C11H22N6O4S2 M.W. 366.46
R-034 
Ranitidine Impurity J
Ranitidine HCl
CAS No. 66357-59-3
C13H22N4O3S . HCl M.W. 314.41 36.46
R-035 
Ranitidine HCl		 Ranitidine Impurity I
CAS No. 207592-21-0
C27H44N8O6S2 M.W. 640.83
R-036 
Ranitidine Impurity I
Desmethyl Ranitidine
CAS No. 66357-25-3
C12H20N4O3S M.W. 300.38
R-037 
Desmethyl Ranitidine		 Ribavirin-13C2
CAS No. 36791-04-5
C8H12N4O5 M.W. 246.19
R-041 
Ribavirin-13C2
Ribavirin Impurity C
C3H3N3O2 M.W. 113.08
R-0410 
Ribavirin Impurity C		 Ribavirin Impurity D
C3H4N4O M.W. 112.09
R-0411 
Ribavirin Impurity D
Ribavirin Impurity G
C8H12N4O5 M.W. 244.21
R-0412 
Ribavirin Impurity G		 Ribavirin-13C5
CAS No. 37691-04-5
C8H12N4O5 M.W. 249.15
R-042 
Ribavirin-13C5
Ribavirin monophosphate
C8H12N4O8P M.W. 323.18
R-043 
Ribavirin monophosphate		 Ribavirin 5'-Diphosphate Lithium Salt
C8H12N4O11P2.2 Li M.W. 402.15 2 6.94
R-044 
Resveratrol-3-glucuro<em></em>nide (cis+trans)nic="" risedronate="" rifamycin="" ribavirin="" resveratrol-3-glucuronide="" resveratrol-13c6="" regorafenib="" quaternary="" paliperidone="" n-oxide="" n-ethyl-n-methyl-3-vinylphenyl="" n-dimethyl="" monosodium="" i="" hydrogen="" f="" ether="" e="" carbamate="" c9h12o2="" c9h10o2="" c8h14n4o14p3="" c8h12n4o5="" c8h11n3o6="" c7h7no7p2d4="" c7h11no7p2="" c7h11no7p="" c7h10no7p2="" c4h6o6="" c39h47no15="" c35h40f2n6o3="" c35h39f2n5o3="" c34h42fn6o3="" c25h19f2n5o4="" c24h29fn4o2="" c24h27fn4o4="" c23h28n4o3="" c23h28n4o2="" c23h28fn4o2.="" c23h28f2n4o2="" c23h27fn4o4="" c23h27fn4o3="" c23h27fn4o2="" c23h27f2n3o2="" c23h25fn4o3="" c23h23d4fn4o3="" c23h23d4fn4o2="" c21h15clf4n4o3="" c21h12clf4n4o3d3="" c20h20o9="" c1813c6h12o3="" c16h18n2o3="" c15h16n4o6="" c14h22n2o2.c4h6o6="" c14h22n2o2="" c14h18n2na2o12p4="" c14h16n2o2d6.c4h6o6="" c14h12o3="" c13h20n2o2.="" c13h20n2o2="" c12h15no2="" c11h19no7p2="" c11h17no="" c11h14n2o="" c10h15no="" c10h14n4o6="" c10h12n2o4="" bicyclo="" />
C20H20O9 M.W. 404.38
R-079005 
Resveratrol-4'-glucuro<em></em>nide (cis+trans)
Resveratrol-3-sulfate (cis+trans)
C14H12O6S M.W. 308.31
R-079006 
Resveratrol-3-sulfate (cis+trans)		 Resveratrol-4'-sulfate (cis+trans)
C14H12O6S M.W. 308.31
R-079007 
Resveratrol-4'-sulfate (cis+trans)
Riociguat
CAS No. 615115-55-1
C20H19FN8O2 M.W. 422.43
R-080001 
Riociguat		 Riociguat Impurtiy
C21H21FN8O2 M.W. 436.45
R-080002 
Riociguat Impurtiy
Rosiglitazone-d3
CAS No. 155141-29-0(non-d)
C18H16D3N3O3S M.W. 360.45
R-081 
Rosiglitazone-d3		 Rosiglitazone Maleate
C18H19N3O3S.C4H4O4 M.W. 357.43 116.07
R-0810 
Rosiglitazone Maleate
Resiniferatoxin
CAS No. 57444-62-9
C37H40O9 M.W. 628.73
R-081001 
Resiniferatoxin		 Resiniferatoxin-d3
CAS No. N/A
C37H37O9D3 M.W. 631.74
R-081002 
Resiniferatoxin-d3
Rosiglitazone Impurity (5-(4-Fluorobenzyl)-2,4-thiazolidinedione)
CAS No. 291536-42-0
C10H8FNO2S M.W. 225.24
R-0811 
Rosiglitazone Impurity (5-(4-Fluorobenzyl)-2,4-thiazolidinedione)		 Rosiglitazone Impurity (5-[4-N-(2-Pyridylamino)ethoxy]benzylidene] thiazolidine-2,4-dione)
CAS No. 643764-88-9
C17H15N3O3S M.W. 341.39
R-0812 
Rosiglitazone Impurity (5-[4-N-(2-Pyridylamino)ethoxy]benzylidene] thiazolidine-2,4-dione)
5-Hydroxy rosiglitazone
CAS No. 257883-22-0
C18H19N3O4S M.W. 373.43
R-082 
5-Hydroxy rosiglitazone		 (S,S)-Reboxetine
CAS No. 98819-76-2
C19H23NO3 M.W. 313.40
R-082001 
(S,S)-Reboxetine
(R,R)-Reboxetine
CAS No. 105017-38-7
C19H23NO3 M.W. 313.40
R-082002 
(R,R)-Reboxetine		 (S,S)-Reboxetine-d5
C19H18NO3D5 M.W. 318.43
R-082003 
(S,S)-Reboxetine-d5
(R,R)-Reboxetine-d5
C19H18NO3D5 M.W. 318.43
R-082004 
(R,R)-Reboxetine-d5		 N-Desmethyl rosiglitazone
CAS No. 257892-31-2
C17H17N3O3S M.W. 343.41
R-083 
N-Desmethyl rosiglitazone
Revaprazan HCl
CAS No. 178307-42-1
C22H23FN4. HCl M.W. 362.45 36.46
R-083001 
Revaprazan HCl		 Revaprazan-d4
C22H19FN4D4 M.W. 366.48
R-083002 
Revaprazan-d4
N-Desmethyl rosiglitazone-d4
C17H13N3O3SD4 M.W. 347.43
R-084 
N-Desmethyl rosiglitazone-d4		 Resatorvid
CAS No. 243984-11-4
C15H17ClFNO4S M.W. 361.82
R-084001 
Resatorvid
Rebamipide 3-Chloro Impurity
CAS No. 90098-05-8
C19H15ClN2O4 M.W. 370.80
R-085001 
Rebamipide 3-Chloro Impurity		 Rebamipide 2-Chloro Impurity
CAS No. 90098-06-9
C19H15ClN2O4 M.W. 370.80
R-085002 
Rebamipide 2-Chloro Impurity
Rebamipide impurity 1
CAS No. 100342-53-8
C18H15ClN2O2 M.W. 326.79
R-085003 
Rebamipide impurity 1		 Rebamipide impurity 2
CAS No. 94670-39-0
C8H6ClNO2 M.W. 183.60
R-085004 
Rebamipide impurity 2
Rebamipide
CAS No. 90098-04-7
C19H15ClN2O4 M.W. 370.80
R-085005 
Rebamipide		 5-Hydroxy rosiglitazone-d4
C18H15N3O4SD4 M.W. 377.46
R-086 
5-Hydroxy rosiglitazone-d4
Rilmazafone HCl
CAS No. 85815-37-8
C21H20Cl2N6O3 HCl M.W. 475.34 36.46
R-086001 
Rilmazafone HCl		 5-Hydroxy rosiglitazone sulphate potassium salt
C18H18N3O7S2.K M.W. 452.49 39.10
R-087 
5-Hydroxy rosiglitazone sulphate potassium salt
Repirinast
CAS No. 73080-51-0
C20H21NO5 M.W. 355.39
R-087001 
Repirinast		 5-Hydroxy rosiglitazone-d4 sulphate potassium salt
C18H14N3O7S2D4.K M.W. 456.51 39.10
R-088 
5-Hydroxy rosiglitazone-d4 sulphate potassium salt
Dexrazoxane ((S)-Razoxane)
CAS No. 24584-09-6
C11H16N4O4 M.W. 268.27
R-088001 
Dexrazoxane ((S)-Razoxane)		 Dexrazoxane Impurity D (N-oxide)
C11H16N4O6 M.W. 300.27
R-088002 
Dexrazoxane Impurity D (N-oxide)
Dexrazoxane Impurity A
C11H18N4O5 M.W. 286.29
R-088003 
Dexrazoxane Impurity A		 Dexrazoxane Impurity B
C11H18N4O5 M.W. 286.29
R-088004 
Dexrazoxane Impurity B
Dexrazoxane Impurity C
C11H20N4O6 M.W. 304.31
R-088005 
Dexrazoxane Impurity C		 Rosiglitazone
C18H19N3O3S M.W. 357.43
R-089 
Rosiglitazone
Robustaflavone
CAS No. 49620-13-5
C30H18O10 M.W. 538.47
R-089001 
Robustaflavone		 Rosuvastatin lactone
CAS No. 503610-43-3
C22H26FN3O5S M.W. 463.53
R-091 
Rosuvastatin lactone
Rosuvastatin Impurity (5-Oxo Rosuvastatin tert-Butyl Ester)
C26H34FN3O6S M.W. 535.64
R-0910 
Rosuvastatin Impurity (5-Oxo Rosuvastatin tert-Butyl Ester)		 (3R, 5R)-tert-Butyl Rosuvastatin (Rosuvastatin Impurity)
C26H36FN3O6S M.W. 537.66
R-0911 
(3R, 5R)-tert-Butyl Rosuvastatin (Rosuvastatin Impurity)
(3R,5R)-Rosuvastatin Sodium Salt
C22H27FN3O6S. Na M.W. 480.54 22.99
R-0912 
(3R,5R)-Rosuvastatin Sodium Salt		 Rosuvastatin Impurity Sodium Salt (5-Oxo Rosuvastatin Sodium Salt)
CAS No. 1422619-13-3 (free base)
C22H25FN3O6S. Na M.W. 478.52 22.99
R-0913 
Rosuvastatin Impurity Sodium Salt (5-Oxo Rosuvastatin Sodium Salt)
(3S,5R)-Rosuvastatin
CAS No. 1242184-42-4
C22H28FN3O6S M.W. 481.55
R-0914 
(3S,5R)-Rosuvastatin		 (3S,5S) Rosuvastatin Calcium Salt
C44H54F2N6O12S2 . Ca M.W. 961.08 40.08
R-0915 
(3S,5S) Rosuvastatin Calcium Salt
Rosuvastatin Lactone-d6
C22H20FN3O5SD6 M.W. 469.57
R-0916 
Rosuvastatin Lactone-d6		 3-Oxo Rosuvastatin Sodium Salt
CAS No. 1346606-28-7
C22H25FN3O6S . Na M.W. 478.52 22.99
R-0917 
3-Oxo Rosuvastatin Sodium Salt
ent-Rosuvastatin tert-Butyl Ester
CAS No. 615263-60-0
C26H36FN3O6S M.W. 537.66
R-0918 
ent-Rosuvastatin tert-Butyl Ester		 (3S,5S)-Rosuvastatin Sodium Salt
C22H27FN3O6S. Na M.W. 480.54 22.99
R-0919 
(3S,5S)-Rosuvastatin Sodium Salt
Rosuvastatin-d3 sodium salt
CAS No. 287714-41-4
C22H24FN3O6SD3.Na M.W. 506.55
R-092 
Rosuvastatin-d3 sodium salt		 (3R,5R)-Rosuvastatin Methyl Ester
C23H30FN3O6S M.W. 495.57
R-0920 
(3R,5R)-Rosuvastatin Methyl Ester
(3S,5R)-Rosuvastatin Methyl Ester
CAS No. 1112048-62-0
C23H30FN3O6S M.W. 495.57
R-0921 
(3S,5R)-Rosuvastatin Methyl Ester		 (3S,5S)-Rosuvastatin Methyl Ester
C23H30FN3O6S M.W. 495.57
R-0922 
(3S,5S)-Rosuvastatin Methyl Ester
Rosuvastatin Compound 02
C38H46F2N6O9S2 M.W. 832.93
R-0923 
Rosuvastatin Compound 02		 Rosuvastatin Compound 03
C38H44F2N6O8S2 M.W. 814.92
R-0924 
Rosuvastatin Compound 03
Rosuvastatin Related Compound 01 Sodium Salt
C25H33FN3O7S. Na M.W. 538.62 22.99
R-0925 
Rosuvastatin Related Compound 01 Sodium Salt		 Rosuvastatin 2,6-Diene Impurity
C22H25FN3O5S . Na M.W. 462.52 22.99
R-0926 
Rosuvastatin 2,6-Diene Impurity
Rosuvastatin 4,6-Diene Impurity
C22H25FN3O5S . Na M.W. 462.52 22.99
R-0927 
Rosuvastatin 4,6-Diene Impurity		 Rosuvastatin Ethyl Ester
CAS No. 851443-04-4
C24H32FN3O6S M.W. 509.60
R-0928 
Rosuvastatin Ethyl Ester
3-O-Ethyl Rosuvastatin
C24H32FN3O6S M.W. 509.60
R-0929 
3-O-Ethyl Rosuvastatin		 Rosuvastatin-d4 sodium salt
CAS No. 287714-41-4 (non-d)
C22H23FN3O6SD4.Na M.W. 507.55
R-093 
Rosuvastatin-d4 sodium salt
Rosuvastatin Pyranone Impurity
C22H24FN3O5S M.W. 461.52
R-0930 
Rosuvastatin Pyranone Impurity		 Rosuvastatin Substituted Hydroxy Pentenoic Acid
CAS No. 910867-11-7
C20H24FN3O5S M.W. 437.49
R-0931 
Rosuvastatin Substituted Hydroxy Pentenoic Acid
Rosuvastatin impurity (3,5,7-trihydroxy)
C22H30FN3O5S M.W. 467.56
R-0932 
Rosuvastatin impurity (3,5,7-trihydroxy)		 Desfluoro Rosuvastatin sodium salt
CAS No. 847849-66-5
C22H29N3O6S.Na M.W. 463.56 23
R-0933 
Desfluoro Rosuvastatin sodium salt
Rosuvastatin EP Impurity I Calcium Salt
C22H27FN3O6S . 1/2Ca M.W. 480.54 20.04
R-0934 
Rosuvastatin EP Impurity I Calcium Salt		 Rosuvastatin EP Impurity H Calcium Salt
C22H27FN3O6S . 1/2Ca M.W. 480.54 20.04
R-0935 
Rosuvastatin EP Impurity H Calcium Salt
Rosuvastatin impurity 1
C22H28FN3O6S M.W. 481.55
R-0936 
Rosuvastatin impurity 1		 Rosuvastatin Impurity 2 Sodium Salt
C22H27FN3O6S. Na M.W. 480.54 22.99
R-0937 
Rosuvastatin Impurity 2 Sodium Salt
Rosuvastatin Sodium Salt
CAS No. N/A
C22H27FN3O6S Na M.W. 480.54 22.99
R-0938 
Rosuvastatin Sodium Salt		 Rosuvastatin Acetonide
CAS No. 289042-12-2
C29H40FN3O6S M.W. 577.72
R-0939 
Rosuvastatin Acetonide
Rosuvastatin Calcium Salt
CAS No. 147098-20-2
C22H27FN3O6S.0.5Ca M.W. 480.54 20.16
R-094 
Rosuvastatin Calcium Salt		 N-Desmethyl Rosuvastatin Disodium Salt
CAS No. 371775-74-5 (free base)
C21H24FN3O6S. 2 Na M.W. 465.50 2 22.99
R-095 
N-Desmethyl Rosuvastatin Disodium Salt
N-Desmethyl Rosuvastatin-d6 Disodium Salt
C21H18FN3O6SD6. 2 Na M.W. 471.54 2 22.99
R-096 
N-Desmethyl Rosuvastatin-d6 Disodium Salt		 Rosuvastatin-d6 Sodium Salt
C22H21FN3O6SD6.Na M.W. 486.58 22.99
R-097 
Rosuvastatin-d6 Sodium Salt
tert-Butyl Rosuvastatin (Rosuvastatin Impurity)
C26H36FN3O6S M.W. 537.66
R-099 
tert-Butyl Rosuvastatin (Rosuvastatin Impurity)		 Retigabine (Ezogabine) DiHCl
CAS No. 150812-13-8
C16H18FN3O2. 2 HCl M.W. 303.34 2 36.46
R-101 
Retigabine (Ezogabine) DiHCl
Retigabine (Ezogabine)-d5 DiHCl
CAS No. 1432063-93-8
C16H13FN3O2D5. 2 HCl M.W. 308.37 2 36.46
R-102 
Retigabine (Ezogabine)-d5 DiHCl		 N-Acetyl Retigabine (Ezogabine)
CAS No. 102877-75-9
C18H20FN3O3 M.W. 345.38
R-103 
N-Acetyl Retigabine (Ezogabine)
N-Acetyl Retigabine (Ezogabine)-d5
CAS No. 1028277-75-9 (non-labelled)
C18H15FN3O3D5 M.W. 350.41
R-104 
N-Acetyl Retigabine (Ezogabine)-d5		 Retigabine(Ezogabine) N-Acetyl diHCl
C15H16FN3O . 2 HCl M.W. 273.31 2 36.46
R-105 
Retigabine(Ezogabine) N-Acetyl diHCl
N-Acetyl Retigabine(Ezogabine)-d3 diHCl
C15H13FN3OD3.2 HCl M.W. 276.33 2 36.46
R-106 
N-Acetyl Retigabine(Ezogabine)-d3 diHCl		 Repaglinide acyl glucuronide
CAS No. 1309112-13-7
C33H44N2O10 M.W. 628.73
R-111 
Repaglinide acyl glucuronide
2-Despiperidyl-2-(5-Carboxypentylamine Repaglinide) (M2 metabolite)
C27H36N2O6 M.W. 484.60
R-1110 
2-Despiperidyl-2-(5-Carboxypentylamine Repaglinide) (M2 me<em></em>tabolite)		 Repaglinide Related Compound A
CAS No. 219921-94-5
C16H26N2 . C7H11NO5 M.W. 246.40 189.17
R-1111 
Repaglinide Related Compound A
Repaglinide Related Compound B
CAS No. 99469-99-5
C13H16O5 M.W. 252.27
R-1112 
Repaglinide Related Compound B		 Repaglinide Related Compound C
CAS No. 107362-12-9
C30H34N2O4 M.W. 486.62
R-1113 
Repaglinide Related Compound C
Repaglinide impurity (R-Repaglinide Ethyl Ester)
CAS No. 147770-08-9
C29H40N2O4 M.W. 480.65
R-1114 
Repaglinide impurity (R-Repaglinide Ethyl Ester)		 Repaglinide Impurity A
CAS No. 220438-80-2
C11H12O5 M.W. 224.22
R-1115 
Repaglinide Impurity A
Repaglinide Impurity D
CAS No. 147770-06-7
C29H40N2O4 M.W. 480.65
R-1116 
Repaglinide Impurity D		 Repaglinide Impurity C
C16H26N2 M.W. 246.40
R-1117 
Repaglinide Impurity C
Repaglinide Dimer Impurity
CAS No. N/A
C43H60N4O3 M.W. 680.98
R-1118 
Repaglinide Dimer Impurity		 Repaglinide
CAS No. 135062-02-1
C27H36N2O4 M.W. 452.60
R-112 
Repaglinide
Repaglinide-d5
C27H31N2O4D5 M.W. 457.63
R-113 
Repaglinide-d5		 3-Hydroxy Repaglinide
C27H36N2O5 M.W. 468.60
R-114 
3-Hydroxy Repaglinide
Repaglinide metabolite(M0-OH)
CAS No. NA
C27H36N2O6 M.W. 484.60
R-115 
Repaglinide me<em></em>tabolite(M0-OH)		 Repaglinide Impurity IV
CAS No. 646054-50-4
C23H37N3O M.W. 371.57
R-116 
Repaglinide Impurity IV
R-Repaglinide (Repaglinide Impurity E)
CAS No. 147852-26-4
C27H36N2O4 M.W. 452.60
R-117 
R-Repaglinide (Repaglinide Impurity E)		 3'-Hydroxyl Repaglinide (M4 metabolite)
C27H36N2O5 M.W. 468.60
R-118 
3'-Hydroxyl Repaglinide (M4 me<em></em>tabolite)
2-Despiperidyl-2-Amino Repaglinide (M1 metabolite)
C22H28N2O4 M.W. 384.48
R-119 
2-Despiperidyl-2-Amino Repaglinide (M1 me<em></em>tabolite)		 Rizatriptan-d6 benzoate
CAS No. 162011-90-7
C15H13N5D6.C7H6O2 M.W. 397.51
R-121 
Rizatriptan-d6 benzoate
Rizatriptan Impurity (1-(4-Hydrazinophenyl)-methyl-1,2,4-triazole diHCl)
C9H11N5 . 2 HCl M.W. 189.22 2 36.46
R-1210 
Rizatriptan Impurity (1-(4-Hydrazinophenyl)-methyl-1,2,4-triazole diHCl)		 Rizatriptan Dimer Impurity 1
C28H35N7 M.W. 469.64
R-1211 
Rizatriptan Dimer Impurity 1
Rizatriptan Dimer Impurity 2
C28H32N9.Cl M.W. 494.63 35.45
R-1212 
Rizatriptan Dimer Impurity 2		 Rizatriptan N-oxide
CAS No. 260435-42-5
C15H19N5O M.W. 285.35
R-122 
Rizatriptan N-oxide
Rizatriptan Benzoate
C15H19N5.C7H6O2 M.W. 269.35 122.12
R-123 
Rizatriptan Benzoate		 N-Monodesmethyl Rizatriptan
CAS No. 144034-84-4
C14H17N5 M.W. 255.33
R-124 
N-Mo<em></em>nodesmethyl Rizatriptan
N-Monodesmethyl Rizatriptan Benzoate
C14H17N5 . C7H6O2 M.W. 255.33 122.12
R-125 
N-Mo<em></em>nodesmethyl Rizatriptan Benzoate		 Rizatriptan Impurity A
CAS No. N/A
C16H21N5O C7H6O2 M.W. 299.38 122.12
R-126 
Rizatriptan Impurity A
Rizatriptan Impurity B
CAS No. N/A
C13H15N5 C2H2O4 M.W. 241.30 90.04
R-127 
Rizatriptan Impurity B		 Rizatriptan Impurity C
CAS No. 208941-96-2
C15H19N5 M.W. 269.35
R-128 
Rizatriptan Impurity C
Rizatriptan Dimer
CAS No. 1135479-44-5
C36H49N11 M.W. 635.87
R-129 
Rizatriptan Dimer		 Ropinirole
CAS No. 91374-21-9
C16H24N2O M.W. 260.38
R-131 
Ropinirole
7-Hydroxy Ropinirole HBr
C16H24N2O2. HBr M.W. 276.38 80.91
R-1310 
7-Hydroxy Ropinirole HBr		 3-Oxo Ropinirole HCl (Ropinirole Related Compound B)
CAS No. 221264-21-7
C16H22N2O2 M.W. 274.37 36.46
R-1311 
3-Oxo Ropinirole HCl (Ropinirole Related Compound B)
Ropinirole N-Oxide
CAS No. 1076199-41-1
C15H21N2O3 M.W. 277.35
R-1312 
Ropinirole N-Oxide		 Propylidine Ropinirole Hydrochloride (E/Z-Mixture)
CAS No. 221264-43-3
C19H28N2O HCl M.W. 300.45 36.46
R-1313 
Propylidine Ropinirole Hydrochloride (E/Z-Mixture)
Ethyl Ropinirole
C18H28N2O M.W. 288.44
R-1314 
Ethyl Ropinirole		 Ropinirole Cyclopentanylindone Impurity
C10H9NO M.W. 159.19
R-1315 
Ropinirole Cyclopentanylindone Impurity
Methylene Ropinirole
C17H24N2O M.W. 272.39
R-1316 
Methylene Ropinirole		 Ropinirole Isohexyl Analog
C16H24N2O M.W. 260.38
R-1317 
Ropinirole Isohexyl Analog
Ropinirole-d7
CAS No. 91374-21-9 (non-d)
C16H17N2OD7 M.W. 267.42
R-132 
Ropinirole-d7		 N-Despropyl Ropinirole
C13H18N2O M.W. 218.30
R-133 
N-Despropyl Ropinirole
N-Hydroxy Ropinirole
CAS No. NA
C16H24N2O2 M.W. 276.38
R-134 
N-Hydroxy Ropinirole		 Open Ring Nitro Derivative
CAS No. NA
C16H24N2O4 M.W. 308.38
R-135 
Open Ring Nitro Derivative
Ropinirole-d14
CAS No. NA
C16H10N2OD14 M.W. 274.47
R-136 
Ropinirole-d14		 N-Methoxy-ropinirole
CAS No. N/A
C17H26N2O2 M.W. 290.41
R-137 
N-Methoxy-ropinirole
3-Methoxy-ropinirole
CAS No. N/A
C17H26N2O2 M.W. 290.41
R-138 
3-Methoxy-ropinirole		 N-Despropyl Ropinirole HCl
C13H18N2O. HCl M.W. 218.30 36.46
R-139 
N-Despropyl Ropinirole HCl
Riluzole
CAS No. 1744-22-5
C8H5F3N2OS M.W. 234.20
R-141 
Riluzole		 Riluzole-13C-15N2
CAS No. 1744-22-5 (non-d)
C8H2F3N2OS M.W. 237.24
R-142 
Riluzole-13C-15N2
Riluzole-N-glucuronide
C14H10F3N2O7SD3 M.W. 413.35
R-143 
Riluzole-N-glucuronide		 N-Hydroxy Riluzole
C8H5F3N2O2S M.W. 250.20
R-144 
N-Hydroxy Riluzole
Bromo Riluzole Impurity
CAS No. 88149-49-9
C7H4Br2F3NO M.W. 334.92
R-145 
Bromo Riluzole Impurity		 Riluzole Impurity A
CAS No. N/A
C8H5F3N2OS M.W. 234.20
R-146 
Riluzole Impurity A
Ramelteon
CAS No. 196597-26-9
C16H21NO2 M.W. 259.35
R-151 
Ramelteon		 Ramelteon-d5
CAS No. 196597-26-9 (non-d)
C16H16NO2D5 M.W. 264.38
R-152 
Ramelteon-d5
Ramelteon metabolite M-II (mixture of isomers)
C16H21NO2D M.W. 261.37
R-153 
Ramelteon me<em></em>tabolite M-II (mixture of isomers)		 Ramelteon Impurity 3
C16H19NO2 M.W. 257.34
R-154 
Ramelteon Impurity 3
Ramelteon Impurity IV
C32H40N2O4 M.W. 516.69
R-155 
Ramelteon Impurity IV		 Ranelic Acid
CAS No. 5459-90-4
C12H10N2O8S M.W. 342.29
R-161 
Ranelic Acid
Strontium Ranelate impurity F
C10H8N2O4S.Sr M.W. 252.25 87.62
R-1610 
Stro<em></em>ntium Ranelate impurity F		 Strontium Ranelate Impurity G
C11H6NO7S. 3/2Sr M.W. 296.24 1.5x87.62
R-1611 
Stro<em></em>ntium Ranelate Impurity G
Strontium Ranelate Impurity H
C8H4N2O4S. Sr M.W. 224.20 87.62
R-1612 
Stro<em></em>ntium Ranelate Impurity H		 Ranelic Acid-d4
CAS No. 5459-90-4 (non-d)
C12H6N2O8SD4 M.W. 346.31
R-162 
Ranelic Acid-d4
Ranelic Acid-13C4 Sodium Salt
C813C4H6N2O8S.4 Na M.W. 342.21 4 22.99
R-163 
Ranelic Acid-13C4 Sodium Salt		 Strontium Ranelate
C12H6N2O8SSr2 M.W. 513.49
R-164 
Stro<em></em>ntium Ranelate
Strontium Ranelate Impurity A
C14H14N2O8S M.W. 370.34
R-165 
Stro<em></em>ntium Ranelate Impurity A		 Strontium Ranelate Impurity B
CAS No. 674773-13-8
C16H18N2O8S M.W. 398.39
R-166 
Stro<em></em>ntium Ranelate Impurity B
Strontium Ranelate impurity C
C12H8N2O9S.2Sr M.W. 356.27 2 87.62
R-167 
Stro<em></em>ntium Ranelate impurity C		 Strontium Ranelate Impurity D
C11H7N2O6S.3/2Sr M.W. 295.25 1.5x87.62
R-168 
Stro<em></em>ntium Ranelate Impurity D
Strontium Ranelate Impurity E
C10H5N2O6S.3/2Sr M.W. 281.23 1.5x87.62
R-169 
Stro<em></em>ntium Ranelate Impurity E		 Ranolazine
CAS No. 95635-55-5
C24H33N3O4 M.W. 427.54
R-171 
Ranolazine
Ranolazine-d5
CAS No. 95635-55-5 (non-d)
C24H28N3O4D5 M.W. 432.58
R-172 
Ranolazine-d5		 Ranolazine glucuronide
C30H41N3O10 M.W. 603.68
R-173 
Ranolazine glucuronide
Ranolazine N-oxide
C24H33N3O5 M.W. 443.55
R-174 
Ranolazine N-oxide		 Ranolazine Bis (N-Oxide)
C24H33N3O6 M.W. 459.55
R-175 
Ranolazine Bis (N-Oxide)
Ranolazine Impurity A
CAS No. N/A
C23H30N4O2 M.W. 394.52
R-176 
Ranolazine Impurity A		 Ranolazine Impurity C
CAS No. N/A
C14H22N2O3 M.W. 266.34
R-177 
Ranolazine Impurity C
Ranolazine Impurity E
CAS No. N/A
C24H34N2O6 M.W. 446.55
R-178 
Ranolazine Impurity E		 Rapamycin-d3 (Sirolimus-d3)
CAS No. 53123-88-9 (non-d)
C51H76NO13D3 M.W. 917.22
R-181 
Rapamycin-d3 (Sirolimus-d3)
Rapamycin
CAS No. 53123-88-9
C51H79NO13 M.W. 914.20
R-182 
Rapamycin		 Demethoxy Rapamycin
CAS No. 83482-58-0
C50H77NO12 M.W. 884.17
R-183 
Demethoxy Rapamycin
Rasagiline-13C3 Mesylate
CAS No. 136236-51-6
C12H13N.CH4O3S M.W. 174.21 96.11
R-191 
Rasagiline-13C3 Mesylate		 Rasagiline
CAS No. 136236-51-6
C12H13N M.W. 171.24
R-192 
Rasagiline
Rasagiline glucuronide
C18H21NO6 M.W. 347.37
R-193 
Rasagiline glucuronide		 (R)-(-)-1-Aminoindan
C9H11N M.W. 133.19
R-194 
(R)-(-)-1-Aminoindan
Rasagiline Mesylate
C12H13N.CH4O3S M.W. 171.24 96.11
R-195 
Rasagiline Mesylate		 Rasagiline Related Compound HCl (3-Keto-N-Propargyl-1-Aminoindan)
CAS No. N/A
C12H11NO. HCl M.W. 185.23 36.46
R-196 
Rasagiline Related Compound HCl (3-Keto-N-Propargyl-1-Aminoindan)
Rabeprazole
CAS No. 117976-89-3
C18H21N3O3S M.W. 359.45
R-201 
Rabeprazole		 Rabeprazole Impurity G
C29H36N4O5S M.W. 552.70
R-2011 
Rabeprazole Impurity G
4-Methoxy Rabeprazole
CAS No. 102804-77-3
C15H15N3O2S M.W. 301.37
R-2012 
4-Methoxy Rabeprazole		 (R)-Rabeprazole.Na
CAS No. 171440-18-9
C18H23N3O3S . Na M.W. 361.47 23.00
R-2013 
(R)-Rabeprazole.Na
Rabeprazole Related Compound A
C14H10N3O3 . Na M.W. 268.25 22.99
R-2014 
Rabeprazole Related Compound A		 Rabeprazole Impurity (Chloro Intermediate)
C11H16ClNO2 M.W. 229.71
R-2015 
Rabeprazole Impurity (Chloro Intermediate)
Rabeprazole Impurity (Chloropropoxy Analogue)
C17H18ClN3O2S M.W. 363.87
R-2016 
Rabeprazole Impurity (Chloropropoxy Analogue)		 Rabeprazole-d4
CAS No. 117976-89-3(non-d)
C18H17N3O3SD4 M.W. 363.47
R-202 
Rabeprazole-d4
Rabeprazole Sodium Salt
C18H20N3NaO3S M.W. 381.43
R-203 
Rabeprazole Sodium Salt		 Rabeprazole-d4 Sodium Salt
C18H16N3NaO3SD4 M.W. 385.46
R-204 
Rabeprazole-d4 Sodium Salt
Rabeprazole Sulfide
C18H21N3O2S M.W. 343.45
R-205 
Rabeprazole Sulfide		 Rabeprazole Impurity C
CAS No. 168167-42-8
C14H12ClN3OOS M.W. 305.79
R-206 
Rabeprazole Impurity C
Rabeprazole Impurity A
CAS No. 924663-38-7
C18H21N3O4S M.W. 375.45
R-207 
Rabeprazole Impurity A		 Rabeprazole Impurity B
C18H21N3O5S M.W. 391.45
R-208 
Rabeprazole Impurity B
Rabeprazole Impurity E
C18H21N3O4S M.W. 375.45
R-209 
Rabeprazole Impurity E		 Ractopamine-d3 HCl
C18H20NO3D3.HCl M.W. 304.41 36.46
R-211 
Ractopamine-d3 HCl
Ractopamine-d6 HCl
CAS No. N/A
C18H17NO3D6 HCl M.W. 307.43 36.46
R-212 
Ractopamine-d6 HCl		 Ropivacaine-d7
C17H19N2OD7 M.W. 281.45
R-221 
Ropivacaine-d7
Ropivacaine HCl.H2O
CAS No. 132112-35-7
C17H26N2O . HCl . H2O M.W. 274.41 36.46 18.02
R-222 
Ropivacaine HCl.H2O		 Ropivacaine Monomethyl Impurity
C16H24N2O M.W. 260.38
R-223 
Ropivacaine Mo<em></em>nomethyl Impurity
25-Desacetyl Rifampicin
CAS No. 16783-99-6
C41H56N4O11 M.W. 780.92
R-231 
25-Desacetyl Rifampicin		 3-Formyl Rifampicin SV
CAS No. 13292-22-3
C38H47NO13 M.W. 725.80
R-2310 
3-Formyl Rifampicin SV
Rifampicin N-Oxide
CAS No. 125833-03-6
C43H58N4O13 M.W. 838.96
R-2311 
Rifampicin N-Oxide		 Rifampicin Quinone
CAS No. 13983-13-6
C43H56N4O12 M.W. 820.95
R-2312 
Rifampicin Quinone
Isonicotinyl Hydrazone of 3-Formyl Rifampicin
C44H52N4O13 M.W. 844.92
R-232 
Iso<em></em>nicotinyl Hydrazone of 3-Formyl Rifampicin		 1,2-Isonicotinyl Hydrazine
C12H10N4O2 M.W. 242.24
R-233 
1,2-Iso<em></em>nicotinyl Hydrazine
Rifampicin
CAS No. 13292-46-1
C43H58N4O12 M.W. 822.96
R-234 
Rifampicin		 Rifampicin-13C-d3
CAS No. 13292-46-1 (non-labelled)
C43H55N4O12D3 M.W. 826.97
R-235 
Rifampicin-13C-d3
Rifampicin-d4
C43H54N4O12D4 M.W. 826.99
R-236 
Rifampicin-d4		 25-Desacetyl Rifampicin-d4
C41H52N4O11D4 M.W. 784.95
R-237 
25-Desacetyl Rifampicin-d4
N-Methyl Rifampicin
C44H62N4O12 M.W. 839.00
R-238 
N-Methyl Rifampicin		 4-Methylpiperazine-1-yl-imino rifamycin-o
C45H58N4O14 M.W. 878.98
R-239 
4-Methylpiperazine-1-yl-imino rifamycin-o
Raltegravir
CAS No. 871038-72-1
C20H20FN6O5 M.W. 444.43
R-241 
Raltegravir		 Raltegravir-13C-d3
CAS No. 871038-72-1 (non-d)
C20H17FN6O5D3 M.W. 447.44 39.10
R-242 
Raltegravir-13C-d3
Raltegravir glucuronide
C26H29FN6O11 M.W. 620.55
R-243 
Raltegravir glucuronide		 Raltegravir Potassium Salt
C20H20FN6O5.K M.W. 443.42 39.10
R-244 
Raltegravir Potassium Salt
Raltegravir-d4
C20H17FN6O5D4 M.W. 448.45
R-245 
Raltegravir-d4		 Resorufin
CAS No. 635-78-9
C12H7NO3 M.W. 213.19
R-251 
Resorufin
Ethoxy Resorufin-d5
C14H6NO3D5 M.W. 246.28
R-252 
Ethoxy Resorufin-d5		 Ethoxy Resorufin
C14H11NO3 M.W. 241.25
R-253 
Ethoxy Resorufin
Rimonabant
CAS No. 168273-06-1
C22H21Cl3N4O M.W. 463.80
R-261 
Rimonabant		 Rimonabant-d10
CAS No. 929221-88-5
C22H11Cl3N4OD10 M.W. 473.95
R-262 
Rimonabant-d10
Ritonavir
C37H48N6O5S2 M.W. 720.96
R-271 
Ritonavir		 Ritonavir Impurity H
CAS No. 1010809-43-4
C30H32N4O6S M.W. 576.68
R-2710 
Rito<em></em>navir Impurity H
Ritonavir Geo-isomer
C37H48N6O5S2 M.W. 720.96
R-2711 
Rito<em></em>navir Geo-isomer		 Ritonavir impurity B (Monoacyl Valine) Hydrochloride
CAS No. 165315-97-9
C30H39N3O4S.HCl M.W. 537.73 36.46
R-2712 
Rito<em></em>navir impurity B (Mo<em></em>noacyl Valine) Hydrochloride
Ritonavir Impurity S
C52H61N7O8S2 M.W. 976.24
R-2713 
Rito<em></em>navir Impurity S		 Ritonavir EP Impurity F
CAS No. 1010809-61-6
C29H34N4O5S M.W. 550.68
R-272 
Rito<em></em>navir EP Impurity F
Ritonavir-d6
C37H42N6O5S2D6 M.W. 727.00
R-273 
Ritonavir-d6		 Ritonavir Impurity E (Hydroxy Ritonavir)
CAS No. 176655-56-4
C37H48N6O6S2 M.W. 736.96
R-274 
Rito<em></em>navir Impurity E (Hydroxy Ritonavir)
Ritonavir Impurity L
CAS No. 256328-82-2
C33H43N5O4S M.W. 605.81
R-275 
Rito<em></em>navir Impurity L		 Ritonavir Impurity O
C37H48N6O5S2 M.W. 720.96
R-276 
Rito<em></em>navir Impurity O
Ritonavir Impurity T
C46H66N8O5S2 M.W. 875.22
R-277 
Rito<em></em>navir Impurity T		 Ritonavir Impurity G (Hydroperoxide Impurity)
CAS No. N/A
C37H48N6O7S2 M.W. 752.96
R-278 
Rito<em></em>navir Impurity G (Hydroperoxide Impurity)
Ritonavir Impurity
C31H41N5O5S M.W. 595.77
R-279 
Rito<em></em>navir Impurity		 Rhein
CAS No. 478-43-3.
C15H8O6 M.W. 284.23
R-281 
Rhein
Rhein-13C4
CAS No. 1189928-10-6
C15H8O6 M.W. 288.18
R-282 
Rhein-13C4		 Rhein acyl glucuronide
C21H16O12 M.W. 460.35
R-283 
Rhein acyl glucuronide
Rhein ether glucuronide
C21H16O12 M.W. 460.35
R-284 
Rhein ether glucuronide		 Rhein monosulfate
C15H8O9S M.W. 364.29
R-285 
Rhein monosulfate
Rivaroxaban
CAS No. 366789-02-8
C19H18ClN3O5S M.W. 435.89
R-291 
Rivaroxaban		 Rivaroxaban Impurity 4
CAS No. 1429334-00-8
C16H19N3O5 M.W. 333.35
R-2910 
Rivaroxaban Impurity 4
Rivaroxaban Impurity 5
C29H32N6O9 M.W. 608.61
R-2911 
Rivaroxaban Impurity 5		 Rivaroxaban Impurity 6
C19H19N3O5S M.W. 401.44
R-2912 
Rivaroxaban Impurity 6
Rivaroxaban Impurity 7
C19H17Cl2N3O5S M.W. 470.33
R-2913 
Rivaroxaban Impurity 7		 Rivaroxaban Impurity 8
C36H36N6O10 M.W. 712.72
R-2914 
Rivaroxaban Impurity 8
Rivaroxaban Impurity 9
C22H19N3O6 M.W. 421.41
R-2915 
Rivaroxaban Impurity 9		 Rivaroxaban Impurity L
C19H18ClN3O5S M.W. 435.89
R-2916 
Rivaroxaban Impurity L
Rivaroxaban Related Compound (Ethyl 4-(3-Oxomorpholino)-Phenylcarbamate)
CAS No. 1327778-39-1
C13H16N2O4 M.W. 264.28
R-2917 
Rivaroxaban Related Compound (Ethyl 4-(3-Oxomorpholino)-Phenylcarbamate)		 Rivaroxaban Related Compound
CAS No. 24065-33-6
C5H3ClO2S M.W. 162.60
R-2918 
Rivaroxaban Related Compound
Rivaroxaban Related Compound (R-4-(4-(5-(Aminomethyl)-2-Oxooxazolidin-3-yl)phenyl-Morpholin-3-One HCl)
CAS No. N/A
C14H17N3O4 HCl M.W. 291.31 36.46
R-2919 
Rivaroxaban Related Compound (R-4-(4-(5-(Aminomethyl)-2-Oxooxazolidin-3-yl)phenyl-Morpholin-3-One HCl)		 Rivaroxaban-d4
CAS No. 366789-02-8 (non-d)
C19H14ClN3O5SD4 M.W. 439.91
R-292 
Rivaroxaban-d4
Rivaroxaban Related Impurity 1
CAS No. 31166-29-7
C5H2Cl2O2S M.W. 197.04
R-2920 
Rivaroxaban Related Impurity 1		 Rivaroxaban O-Carboxy Benzamide Impurity
C22H21N3O7 M.W. 439.43
R-2921 
Rivaroxaban O-Carboxy Benzamide Impurity
Rivaroxaban Related Compound (5-Chloro-2-Thiophenecarboxylic Acid N-Methylamide)
CAS No. 97799-98-9
C6H6ClNOS M.W. 175.64
R-2922 
Rivaroxaban Related Compound (5-Chloro-2-Thiophenecarboxylic Acid N-Methylamide)		 Rivaroxaban Impurity 10
C25H24Cl2N4O6S2 M.W. 611.53
R-2923 
Rivaroxaban Impurity 10
Rivaroxaban metabolite 5
C19H20ClN3O6S M.W. 453.90
R-293 
Rivaroxaban me<em></em>tabolite 5		 Rivaroxaban metabolite 8
C19H18ClN3O6S M.W. 451.89
R-294 
Rivaroxaban me<em></em>tabolite 8
Rivaroxaban metabolite 9
C19H18ClN3O6S M.W. 451.89
R-295 
Rivaroxaban me<em></em>tabolite 9		 R-Rivaroxaban
CAS No. 865479-71-6
C19H18ClN3O5S M.W. 435.89
R-296 
R-Rivaroxaban
Rivaroxaban Impurity 1
C15H24N4O2 M.W. 292.38
R-297 
Rivaroxaban Impurity 1		 Rivaroxaban Impurity 2
C14H21N3O3 M.W. 279.34
R-298 
Rivaroxaban Impurity 2
Rivaroxaban Impurity 3
C19H20ClN3O6S M.W. 453.90
R-299 
Rivaroxaban Impurity 3		 all trans-Retinal
C20H28O M.W. 284.45
R-301 
all trans-Retinal
Racecadotril
C21H23NO4S M.W. 385.49
R-311 
Racecadotril		 Rocuronium Related Compound A (EP impurity A)
CAS No. 119302-24-8
C29H48N2O4 M.W. 488.72
R-321 
Rocuro<em></em>nium Related Compound A (EP impurity A)
Rocuronium Bromide Related Compound C (EP impurity C)
CAS No. 119302-86-2
C30H51N2O3.Br M.W. 487.75 79.90
R-322 
Rocuro<em></em>nium Bromide Related Compound C (EP impurity C)		 Rocuronium Bromide EP Impurity B (Impurity 15)
CAS No. 122483-73-2
C34H55N2O5. Br M.W. 571.83 79.90
R-323 
Rocuro<em></em>nium Bromide EP Impurity B (Impurity 15)
Rocuronium Bromide Impurity 17 (EP impurity D)
CAS No. 1190105-63-5
C32H53N2O4 . Br M.W. 529.79 79.90
R-324 
Rocuro<em></em>nium Bromide Impurity 17 (EP impurity D)		 Rocuronium Bromide Impurity 18 (EP impurity E)
CAS No. 1190105-65-7
C32H53N2O3 . Br M.W. 513.79 79.90
R-325 
Rocuro<em></em>nium Bromide Impurity 18 (EP impurity E)
Rocuronium Bromide Impurity 19
C32H53N2O3 . Br M.W. 513.79 79.90
R-326 
Rocuro<em></em>nium Bromide Impurity 19		 Rocuronium Bromide Impurity 21 (EP impurity H)
CAS No. 1190105-67-9
C32H49N2O4 . Br M.W. 525.76 79.90
R-327 
Rocuro<em></em>nium Bromide Impurity 21 (EP impurity H)
Rocuronium bromide EP impurity F
CAS No. 1190105-66-8
C34H55N2O4 . Br M.W. 555.83 79.90
R-328 
Rocuro<em></em>nium bromide EP impurity F		 Rocuronium bromide EP impurity G
CAS No. 119302-20-4
C27H46N2O3 M.W. 446.68
R-329 
Rocuro<em></em>nium bromide EP impurity G
Rifabutin-d7
CAS No. 72559-06-9 (non-d)
C46H55N4O11D7 M.W. 854.07
R-331 
Rifabutin-d7		 25-O-desacetyl-23-Acetyl-Rifabutin (Possibly a mixture with API)
C46H62N4O11 M.W. 847.03
R-332 
25-O-desacetyl-23-Acetyl-Rifabutin (Possibly a mixture with API)
25-O-Desacetyl Rifabutin
CAS No. 100324-63-8
C44H60N4O10 M.W. 804.99
R-333 
25-O-Desacetyl Rifabutin		 25-O-Desacetyl Rifabutin-d7
C44H53N4O10D7 M.W. 812.03
R-334 
25-O-Desacetyl Rifabutin-d7
Rifabutin
CAS No. 72559-06-9
C46H62N4O11 M.W. 847.03
R-335 
Rifabutin		 Rilpivirine-d6
C22H12N6D6 M.W. 372.47
R-341 
Rilpivirine-d6
Rilpivirine N-Glucuronide
CAS No. 143779-52-0
C28H26N6O6 M.W. 542.56
R-342 
Rilpivirine N-Glucuronide		 Rilpivirine Chloro Impurity (4-[(4-Chloropyrimidin-2-yl)amino]-Benzonitrile)
CAS No. N/A
C11H7ClN4 M.W. 230.66
R-343 
Rilpivirine Chloro Impurity (4-[(4-Chloropyrimidin-2-yl)amino]-Benzonitrile)
Rilpivirine Nitrile Impurity ((2E)-3-(4-Amino-3, 5-Dimethylphenyl)prop-2-Enenitrile HCl)
CAS No. N/A
C11H12N2 HCl M.W. 172.23 36.46
R-344 
Rilpivirine Nitrile Impurity ((2E)-3-(4-Amino-3, 5-Dimethylphenyl)prop-2-Enenitrile HCl)		 Rilpivirine Keto Impurity (4-[(4-Oxo-1, 4-Dihydropyrimidin-2-yl)amino]-Benzonitrile)
CAS No. N/A
C11H8N4O M.W. 212.21
R-345 
Rilpivirine Keto Impurity (4-[(4-Oxo-1, 4-Dihydropyrimidin-2-yl)amino]-Benzonitrile)
Rilpivirine Z-Isomer
CAS No. N/A
C22H18N6 M.W. 366.43
R-346 
Rilpivirine Z-Isomer		 Rilpivirine N-Oxide
CAS No. N/A
C22H18N6O M.W. 382.43
R-347 
Rilpivirine N-Oxide
Rilpivirine Amide-1 Impurity ((2E)-3-[4-[[2[(4-Cyanophenyl)amino]pyrimidin-4-yl]amino]-3, 5-Dimethylphenyl]prop-2-Enamid
CAS No. N/A
C22H20N6O M.W. 384.44
R-348 
Rilpivirine Amide-1 Impurity ((2E)-3-[4-[[2[(4-Cyanophenyl)amino]pyrimidin-4-yl]amino]-3, 5-Dimethylphenyl]prop-2-Enamid		 Rilpivirine Amide-2 Impurity (4-{[4-({4-(E)-2-Cyanoethyl]-2, 6-Dimethyl]phenyl}amino-2-Pyrimidinyl]amino}-Benzamide)
CAS No. N/A
C22H20N6O M.W. 384.44
R-349 
Rilpivirine Amide-2 Impurity (4-{[4-({4-(E)-2-Cyanoethyl]-2, 6-Dimethyl]phenyl}amino-2-Pyrimidinyl]amino}-Benzamide)
Rifaximin-d6
C43H45N3O11D6 M.W. 791.94
R-351 
Rifaximin-d6		 Rifaximin
CAS No. 80621-81-4
C43H51N3O11 M.W. 785.90
R-352 
Rifaximin
Rifaximin Impurity D
CAS No. N/A
C43H49N3O12 M.W. 799.88
R-353 
Rifaximin Impurity D		 Rifaximin Impurity H
CAS No. N/A
C43H51N3O12 M.W. 801.90
R-354 
Rifaximin Impurity H
25-Desacetyl Rifaximin
C42H51N3O9 M.W. 741.89
R-355 
25-Desacetyl Rifaximin		 25-Desacetyl Rifaximin-d6
C42H45N3O9D6 M.W. 747.93
R-356 
25-Desacetyl Rifaximin-d6
Ritalinic acid
CAS No. 19395-41-6
C13H17NO2 M.W. 219.29
R-361 
Ritalinic acid		 Ritalinic Acid Lactam
CAS No. 54593-31-6
C13H15NO3 M.W. 233.27
R-362 
Ritalinic Acid Lactam
Roflumilast
CAS No. 162401-32-3
C17H14Cl2F2N2O3 M.W. 403.22
R-371 
Roflumilast		 Roflumilast-d4
C17H10Cl2F2N2O3D4 M.W. 407.24
R-3710 
Roflumilast-d4
Roflumilast-d3
CAS No. 1189992-00-4
C17H11Cl2F2N2O3D3 M.W. 406.23
R-372 
Roflumilast-d3		 Roflumilast N-Oxide
CAS No. 292135-78-5
C17H14Cl2F2N2O4 M.W. 419.21
R-373 
Roflumilast N-Oxide
Roflumilast Impurity 1
CAS No. 162401-43-6
C17H14Cl2F2N2O3 M.W. 403.22
R-374 
Roflumilast Impurity 1		 Roflumilast Impurity 2
C13H8Cl2F2N2O3 M.W. 349.12
R-375 
Roflumilast Impurity 2
Roflumilast Impurity 3
C20H20Cl2N2O3 M.W. 407.30
R-376 
Roflumilast Impurity 3		 Roflumilast Impurity 4
C14H8Cl2F4N2O3 M.W. 399.13
R-377 
Roflumilast Impurity 4
Roflumilast Impurity 5
C16H14Cl2N2O3 M.W. 353.21
R-378 
Roflumilast Impurity 5		 Roflumilast-d4 N-Oxide
C17H10Cl2F2N2O4D4 M.W. 423.24
R-379 
Roflumilast-d4 N-Oxide
all-trans Retinoic acid
CAS No. 302-79-4
C20H28O2 M.W. 300.44
R-381 
all-trans Retinoic acid		 4-Methoxy Retinoic Acid
CAS No. 81121-20-2
C21H30O3 M.W. 330.47
R-3810 
4-Methoxy Retinoic Acid
11-cis Retinoic Acid
CAS No. 68070-35-9
C20H28O2 M.W. 300.44
R-3811 
11-cis Retinoic Acid		 all-trans Retinoic acid-d5
C20H23O2D5 M.W. 305.48
R-382 
all-trans Retinoic acid-d5
9-cis Retinoic acid
CAS No. 5300-03-8
C20H28O2 M.W. 300.44
R-383 
9-cis Retinoic acid		 9-cis Retinoic acid-d5
C20H23O2D5 M.W. 305.48
R-384 
9-cis Retinoic acid-d5
4-Keto-9-cis Retinoic acid-d3
C20H23O3D3 M.W. 317.45
R-387 
4-Keto-9-cis Retinoic acid-d3		 4-Keto-9-cis Retinoic acid methyl ester
CAS No. 163955-59-7
C21H28O3 M.W. 328.46
R-388 
4-Keto-9-cis Retinoic acid methyl ester
4-Oxo Retinoic Acid
CAS No. 38030-57-8
C20H26O3 M.W. 314.43
R-389 
4-Oxo Retinoic Acid		 Rufinamide
CAS No. 106308-44-5
C10H8F2N4O M.W. 238.20
R-391 
Rufinamide
Rufinamide-15N-d2
C10H6F2N4OD2 M.W. 241.20
R-392 
Rufinamide-15N-d2		 Roxatidine
CAS No. 78273-80-0
C17H26N2O3 M.W. 306.41
R-401 
Roxatidine
Roxatidine-d10
CAS No. N/A
C17H16N2O3D10 M.W. 316.47
R-402 
Roxatidine-d10		 Ramosetron-d3
CAS No. N/A
C17H14N3OD3 M.W. 282.36
R-411 
Ramosetron-d3
Rupatadine Fumarate
CAS No. 182349-12-8
C26H26ClN3. C4H4O4 M.W. 415.97 116.07
R-421 
Rupatadine Fumarate		 Rupatadine Impurity D
C33H34ClN4 M.W. 522.12
R-422 
Rupatadine Impurity D
Rotigotine
CAS No. 99755-59-6
C19H25NOS M.W. 315.48
R-431 
Rotigotine		 Rotigotine-d7
CAS No. N/A
C19H18NOSD7 M.W. 322.52
R-432 
Rotigotine-d7
Rotigotine Sulfate
CAS No. 128478-69-3
C19H25NO4S2 M.W. 395.45
R-433 
Rotigotine Sulfate		 Rotigotine D-Glucuronide
CAS No. 128464-29-9
C25H33NO7S M.W. 491.61
R-434 
Rotigotine D-Glucuronide
Dethienylethyl Rotigotine
C14H22N M.W. 204.34
R-435 
Dethienylethyl Rotigotine		 Depropyl Rotigotine
C16H19NOS M.W. 273.40
R-436 
Depropyl Rotigotine
7,8-Dihydro Naphthol
C10H10O M.W. 146.19
R-437 
7,8-Dihydro Naphthol		 Raubasine
CAS No. 483-04-5
C21H24N2O3 M.W. 352.44
R-441 
Raubasine
Riboflavin-d6
C17H14N4O6D6 M.W. 382.41
R-681 
Riboflavin-d6		 Riboflavin Impurity 1
CAS No. N/A
C12H16N4OS M.W. 264.35
R-6810 
Riboflavin Impurity 1
Riboflavin Impurity 2
CAS No. 1086-80-2
C12H10N4O2 M.W. 242.24
R-6811 
Riboflavin Impurity 2		 Riboflavin Impurity 3
CAS No. 1088-56-8
C13H12N4O2 M.W. 256.27
R-6812 
Riboflavin Impurity 3
Riboflavin
C17H20N4O6 M.W. 376.37
R-682 
Riboflavin		 Riboflavin-5'-phosphate Sodium Salt Dihydrate
CAS No. 6184-17-4
C17H20N4O9P. Na. 2 H2O M.W. 455.34 22.99 2x18.02
R-683 
Riboflavin-5'-phosphate Sodium Salt Dihydrate
Riboflavin Impurity A (Riboflavin-3’, 4’-Diphosphate)
CAS No. N/A
C17H22N4O12P2 M.W. 536.33
R-684 
Riboflavin Impurity A (Riboflavin-3’, 4’-Diphosphate)		 Riboflavin Impurity B (Rbofliavin-3’, 5’-Diphosphate)
CAS No. N/A
C17H22N4O12P2 M.W. 536.33
R-685 
Riboflavin Impurity B (Rbofliavin-3’, 5’-Diphosphate)
Riboflavin Impurity C (Riboflavin-4’, 5’-Diphosphate)
CAS No. N/A
C17H22N4O12P2 M.W. 536.33
R-686 
Riboflavin Impurity C (Riboflavin-4’, 5’-Diphosphate)		 Riboflavin-3’-Phosphate Sodium
CAS No. N/A
C17H20N4O9P Na M.W. 455.34 22.99
R-687 
Riboflavin-3’-Phosphate Sodium
Riboflavin-4’-Phosphate Sodium
CAS No. N/A
C17H20N4O9P Na M.W. 455.34 22.99
R-688 
Riboflavin-4’-Phosphate Sodium		 Riboflavin-5’-Phosphate Sodium
CAS No. 130-40-5
C17H20N4O9P Na M.W. 455.34 22.99
R-689 
Riboflavin-5’-Phosphate Sodium
Rafoxanide
CAS No. 22662-39-1
C19H11Cl2I2NO3 M.W. 626.02
R-691 
Rafoxanide		 Rafoxanide-d4
C19H7Cl2I2NO3D4 M.W. 630.04
R-692 
Rafoxanide-d4
Ronidazole-d3
CAS No. 1015855-87-4 (non-d)
C6H5N4O4D3 M.W. 203.17
R-702 
Ronidazole-d3		 Ruboxistaurin HCl
C28H28N4O3 . HCl M.W. 468.56 36.46
R-711 
Ruboxistaurin HCl
7-O-Desmethyl Rapamycin
C50H77NO13 M.W. 900.17
R-721 
7-O-Desmethyl Rapamycin		 Racecadotril Impurity C
C14H17NO4S M.W. 295.36
R-731 
Racecadotril Impurity C
Racecadotril Impurity D
C24H28N2O6S2 M.W. 504.63
R-732 
Racecadotril Impurity D		 Racecadotril Impurity E
C10H10O2 M.W. 162.19
R-733 
Racecadotril Impurity E
Racecadotril Impurity F
CAS No. 87428-99-7
C19H19NO3 M.W. 309.37
R-734 
Racecadotril Impurity F		 Racecadotril Impurity H
C38H40N2O6S2 M.W. 684.88
R-735 
Racecadotril Impurity H
Racecadotril Impurity G
C19H21NO3S M.W. 343.45
R-736 
Racecadotril Impurity G		 Racecadotril Diacid Impurity
CAS No. 141437-87-8
C20H22O4S2 M.W. 390.52
R-737 
Racecadotril Diacid Impurity
Roxithromycin
CAS No. 80214-83-1
C41H76N2O15 M.W. 837.07
R-741 
Roxithromycin		 Roxithromycin Impurity I
CAS No. 425365-66-8
C45H84N2O17 M.W. 925.17
R-7410 
Roxithromycin Impurity I
Roxithromycin Impurity J
C40H73ClN2O14 M.W. 841.49
R-7411 
Roxithromycin Impurity J		 Roxithromycin Impurity K
C41H76N2O16 M.W. 853.07
R-7412 
Roxithromycin Impurity K
Roxithromycin Impurity G
CAS No. 425365-64-6
C42H78N2O16 M.W. 867.09
R-742 
Roxithromycin Impurity G		 Roxithromycin-d7
CAS No. N/A
C41H69N2O15D7 M.W. 844.11
R-743 
Roxithromycin-d7
Roxithromycin Impurity B
C33H62N2O12 M.W. 678.87
R-744 
Roxithromycin Impurity B		 Roxithromycin Impurity C
C37H68N2O13 M.W. 748.96
R-745 
Roxithromycin Impurity C
Roxithromycin Impurity D
C41H76N2O15 M.W. 837.07
R-746 
Roxithromycin Impurity D		 Roxithromycin Impurity E
C40H74N2O15 M.W. 823.04
R-747 
Roxithromycin Impurity E
Roxithromycin Impurity F
CAS No. 118267-18-8
C40H74N2O15 M.W. 823.04
R-748 
Roxithromycin Impurity F		 Roxithromycin Impurity H
C41H76N2O14 M.W. 821.07
R-749 
Roxithromycin Impurity H
Rofecoxib
CAS No. 162011-90-7
C17H14O4S M.W. 314.36
R-751 
Rofecoxib		 Rofecoxib-d5
CAS No. N/A
C17H9O4SD5 M.W. 319.39
R-752 
Rofecoxib-d5
9-cis Retinol Acetate
CAS No. 29584-22-3
C22H32O2 M.W. 328.50
R-761 
9-cis Retinol Acetate		 All-trans Retinol
CAS No. 68-26-8
C20H30O M.W. 286.46
R-762 
All-trans Retinol
All-trans Retinol-D5
C20H25OD5 M.W. 291.49
R-763 
All-trans Retinol-D5		 9-cis Retinol
C20H30O M.W. 286.46
R-764 
9-cis Retinol
13-cis Retinol
C20H30O M.W. 286.46
R-765 
13-cis Retinol		 Retinal
CAS No. 116-31-4
C20H28O M.W. 284.45
R-766 
Retinal
4-Hydroxy Retinol
C20H30O2 M.W. 302.46
R-767 
4-Hydroxy Retinol
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