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Structure Chemical Name CAS MF
Dasatinib Impurity C Dasatinib Impurity C
Etoricoxib impurity Q Etoricoxib impurity Q 292067-97-1 C18H15ClN2S
N,N-ジメシル-2-フェノキシアニリン N,N-ジメシル-2-フェノキシアニリン 905858-63-1 C14H15NO5S2
Flucloxacillin Impurity Flucloxacillin Impurity
4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 1357477-99-6 C13H14N2O6S
Fluorometholone Impurity Fluorometholone Impurity 2796-99-8 C23H31FO7S
Verapamil Impurity Verapamil Impurity 1551304-28-9 C12H19NO2
Clopidogrel impurity reference substance Clopidogrel impurity reference substance C15H14ClNO2S
tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate 763114-04-1 C25H27FN4O4
Vildagliptin Impurity Vildagliptin Impurity
Dihydroxyoxaliplatin(Oxaliplatin Impurity Ⅲ) Dihydroxyoxaliplatin(Oxaliplatin Impurity Ⅲ)
cefditoren E-isomer(C=C) cefditoren E-isomer(C=C)
1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 916975-92-3 C11H8F3N3O2
Mixture of Lamivudine Impurity Ⅳ and Impurity Ⅴ Mixture of Lamivudine Impurity Ⅳ and Impurity Ⅴ
2-Ethoxybenzimidohydrazide 2-Ethoxybenzimidohydrazide 889943-46-8 C9H13N3O
(E)-2-(6-(methoxycarbonyl)-2-oxoindolin-3-ylidene)-2-phenylacetic acid (E)-2-(6-(methoxycarbonyl)-2-oxoindolin-3-ylidene)-2-phenylacetic acid C18H13NO5
2-(3-メチル-5-オキソ-1-フェニル-4,5-ジヒドロ-1H-ピラゾール-4-イル)プロパン-2-スルホン酸 2-(3-メチル-5-オキソ-1-フェニル-4,5-ジヒドロ-1H-ピラゾール-4-イル)プロパン-2-スルホン酸 1323485-71-7 C13H16N2O4S
Ondansetron Impurity B Ondansetron Impurity B
Trelagliptin IMpurity 33 Trelagliptin IMpurity 33
Estradiol Impurity 1 Estradiol Impurity 1 57780-81-1 C18H24O4
Metoprolol IMpurity L Metoprolol IMpurity L C15H25NO3
Teneligliptin Impurity 14 Teneligliptin Impurity 14
Ampicillin EP Impurity P Ampicillin EP Impurity P
5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5E)- 5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5E)- 1563176-58-8 C25H34F2O5
Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R,5S)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R,5S)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester 477877-98-8 C26H40O5
1H-1,2,4-Triazole-1-ethanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-, 4-oxide 1H-1,2,4-Triazole-1-ethanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-, 4-oxide 1997296-62-4 C13H12F2N6O2
para-Hydroxy L-Milnacipran para-Hydroxy L-Milnacipran 688738-11-6 C15H22N2O2
Varenicline Impurity 9 Varenicline Impurity 9
Elagolix Sodium impurity3 Elagolix Sodium impurity3
Epinephrine Impurity 4 Epinephrine Impurity 4 94217-53-5 C9H13NO3
(trans)-4-((2-amino-3,6-dibromobenzyl)amino)cyclohexanol (trans)-4-((2-amino-3,6-dibromobenzyl)amino)cyclohexanol C13H18Br2N2O
(R)-2-(3-(diisopropylamino)-1-phenylpropyl)phenol (R)-2-(3-(diisopropylamino)-1-phenylpropyl)phenol C21H29NO
Dexamethasone EP impurities F Dexamethasone EP impurities F
D-Ribofuranose, 1-C-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,3,5-tris-O-(phenylmethyl)- D-Ribofuranose, 1-C-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,3,5-tris-O-(phenylmethyl)- 1355049-94-3 C32H32N4O5
Delamanid Impurity 1 Delamanid Impurity 1
N-[4-[(6,7-Dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluoro-3-hydroxyphenyl)-1,1-cyclopropanedicarboxamide N-[4-[(6,7-Dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluoro-3-hydroxyphenyl)-1,1-cyclopropanedicarboxamide 1628530-41-5 C28H24FN3O6
Oseltamivir Impurity Mixture (MW:486 Da) Oseltamivir Impurity Mixture (MW:486 Da)
2,2'-(7-((2R,3S)-1,3,4-trihydroxybutan-2-yl)-10-((2S,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4-diyl)diacetic acid Gd3+ 2,2'-(7-((2R,3S)-1,3,4-trihydroxybutan-2-yl)-10-((2S,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4-diyl)diacetic acid Gd3+
(R)-Ethyl 3-(bromomethyl)hexanoate (R)-Ethyl 3-(bromomethyl)hexanoate 1956435-91-8 C9H17BrO2
8-Epi-cyanocobalamin 8-Epi-cyanocobalamin 41325-63-7 C63H88CoN14O14P
Lamivudine Impurity 2 Lamivudine Impurity 2 200396-21-0 C18H27N3O4S
Lamivudine Impurity 1 Lamivudine Impurity 1 1235712-40-9 C8H11N3O4S
Moxifloxacin Related Impurity 3 Moxifloxacin Related Impurity 3
Bisoprolol EP Impurity Q Bisoprolol EP Impurity Q 1346604-00-9 C16H27NO4
LeflunoMide EP IMpurity F LeflunoMide EP IMpurity F 1403564-06-6 C12H9F3N2O2
4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid 4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid
Itraconazole iMpurity D Itraconazole iMpurity D
3-amino-2-chloroacrolein 3-amino-2-chloroacrolein 221615-73-2 C3H4ClNO
3-アミノ-4-ピラゾールカルボニトリル 3-アミノ-4-ピラゾールカルボニトリル 16617-46-2 C4H4N4
BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- 1391052-24-6 C20H20Cl2N2O3
1-(4-アセチルフェニル)-2-メチル-1-プロパノン 1-(4-アセチルフェニル)-2-メチル-1-プロパノン 103931-20-0 C12H14O2
ButanaMide, 4-hydroxy-N-(1-Methylethyl)- ButanaMide, 4-hydroxy-N-(1-Methylethyl)- 42042-66-0 C7H15NO2
5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 52549-07-2 C14H11NO3
IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin) IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin)
Flucloxacillin Sodium EP Impurity B Flucloxacillin Sodium EP Impurity B
4-PYRIDIN-4-YL-BUTYRIC ACID 4-PYRIDIN-4-YL-BUTYRIC ACID 102878-73-9 C9H11NO2
1-Ethyl-2-[[(2-methoxy-5-sulphamoyl 1-Ethyl-2-[[(2-methoxy-5-sulphamoyl
2-(4-Bromo-3-formylphenoxy)-benzonitrile 2-(4-Bromo-3-formylphenoxy)-benzonitrile 1160182-46-6 C14H8BrNO2
Carbetocin S-Oxide I Carbetocin S-Oxide I
Dolutegravir Impurity 15 Dolutegravir Impurity 15
PeraMpanel PeraMpanel 380919-67-5 C23H15N3O2
Empagliflozin Impurity 86 Empagliflozin Impurity 86
Olopatadine Impurity 11 HBr Olopatadine Impurity 11 HBr 4174-84-9 C21H24Br2NP
Iohexol Impurity P Iohexol Impurity P
Sulbactam Impurity 2 Sulbactam Impurity 2 111790-24-0 C8H13NO6S
Vortioxetine Impurity 8 HCl Vortioxetine Impurity 8 HCl 2137722-14-4 C18H23ClN2S
Relugolix Impurity 1 Relugolix Impurity 1
Oseltamivir Diastereomer III HCl Oseltamivir Diastereomer III HCl 2413185-95-0 C16H28N2O4
Rocuronium bromide impurity (3,16,17-triol) Rocuronium bromide impurity (3,16,17-triol) C23H39NO4
4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid 4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid C17H13ClN2O4
Ornidazole Impurity 26 Ornidazole Impurity 26
Pitavastatin Impurity 73 Pitavastatin Impurity 73
Furosemide Impurity 24 Furosemide Impurity 24
Brivaracetam Impurity 34 Brivaracetam Impurity 34
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-(((3-(hydroxymethyl)pyridin-2-yl)(methyl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride 1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-(((3-(hydroxymethyl)pyridin-2-yl)(methyl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride
1H-1,2,4-Triazole-1-propanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)- 1H-1,2,4-Triazole-1-propanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)- 1222655-38-0 C14H14F2N6O
IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride 95062-18-3 C35H35ClF2N2
IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid
1-ニトロ-3,7-ジメチルアダマンタン 1-ニトロ-3,7-ジメチルアダマンタン 6588-68-7 C12H19NO2
6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir 6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir 649761-24-0 C27H31N5O2Si
Desisobutyl-n-butyl BortezoMib Desisobutyl-n-butyl BortezoMib 1104011-35-9 C19H25BN4O4
2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide 2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide 246512-44-7 C15H23N3O4
N-(4,6-dichloro-2-(propylthio)pyriMidin-5-yl)forMaMide N-(4,6-dichloro-2-(propylthio)pyriMidin-5-yl)forMaMide 1402150-28-0 C8H9Cl2N3OS
Ebastine IMpurity G Ebastine IMpurity G 1429071-65-7 C32H39NO3
((R)-3-Methyl-1-((R)-3-phenyl-2-(pyrazine-2-carboxaMido)propanaMido)butyl)boronic acid ((R)-3-Methyl-1-((R)-3-phenyl-2-(pyrazine-2-carboxaMido)propanaMido)butyl)boronic acid 1132709-15-9 C19H25BN4O4
N-[(1S)-2-アミノ-2-オキソ-1-(フェニルメチル)エチル]-2-ピラジンカルボキサミド N-[(1S)-2-アミノ-2-オキソ-1-(フェニルメチル)エチル]-2-ピラジンカルボキサミド 289472-80-6 C14H14N4O2
(3aS,4R,6S,6aR)-6-AMinotetrahydro-2,2-diMethyl-4H-cyclopenta-1,3-dioxol-4-ol (3aS,4R,6S,6aR)-6-AMinotetrahydro-2,2-diMethyl-4H-cyclopenta-1,3-dioxol-4-ol 592533-90-9 C8H15NO3
(1R,2R,3S,5R)-3-(7-((1S,2R)-2-(3,4-difluorophenyl)cyclopropylaMino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol (1R,2R,3S,5R)-3-(7-((1S,2R)-2-(3,4-difluorophenyl)cyclopropylaMino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol 2096989-55-6 C23H28F2N6O4S
Rivaroxaban iMpurity Rivaroxaban iMpurity 1616563-62-2 C15H17N3O5
Tofacitinib Impurity H Tofacitinib Impurity H
3',6'-Dehydroclindamycin 3',6'-Dehydroclindamycin 1440605-51-5 C18H31ClN2O5S
Cefradine Impurity F Cefradine Impurity F
Mirabegron Impurity Mirabegron Impurity 1684452-83-2 C26H28N6O3S2
1-メチル-1H-インドール-6-オール 1-メチル-1H-インドール-6-オール 130570-60-4 C9H9NO
2-(2-ヒドロキシフェニル)-4-メチルチアゾール-5-カルボン酸エチル 2-(2-ヒドロキシフェニル)-4-メチルチアゾール-5-カルボン酸エチル 118485-48-6 C13H13NO3S
32-Carboxycyanocobalamin 32-Carboxycyanocobalamin 121483-62-3 C63H87CoN13O15P
Alvimopan Impurity 6 Alvimopan Impurity 6
Sofosbuvir Impurity28 Sofosbuvir Impurity28
Rivaroxaban Impurity 10 Rivaroxaban Impurity 10
Ipragliflozin Impurity 1 Ipragliflozin Impurity 1
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