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Structure Chemical Name CAS MF
Pramipexole Impurity Reference Pramipexole Impurity Reference
Amlodipine Impurity 29 Amlodipine Impurity 29 93848-82-9 C22H27ClN2O6
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-2-methyl-7-oxo-, (S)- (9CI) 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-2-methyl-7-oxo-, (S)- (9CI) 129798-65-8 C13H9F2NO4
(8S)-2-BroMo α-Ergocryptine (8S)-2-BroMo α-Ergocryptine 65700-36-9 C32H40BrN5O5
Ezetimibe Impurity 54 Ezetimibe Impurity 54 1185883-39-9 C40H36F2N2O5
135270-13-2 135270-13-2 135270-13-2 C12H11F2N3O
Imidafenacin Related Compound 7 Imidafenacin Related Compound 7 191592-57-1 C16H13N
7-ethyl-5H-chroMeno[2,3-b]pyridin-5-one 7-ethyl-5H-chroMeno[2,3-b]pyridin-5-one 53944-31-3 C14H11NO2
Benzenepropanoic acid, α-hydroxy-β-[[(3E)-1-oxo-3-hexen-1-yl]amino]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclod Benzenepropanoic acid, α-hydroxy-β-[[(3E)-1-oxo-3-hexen-1-yl]amino]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclod 2243233-98-7 C46H55NO14
6β-ブロモペニシラン酸 6β-ブロモペニシラン酸 24138-28-1 C8H10BrNO3S
3-(4-メチル-1H-イミダゾール-1-イル)-5-(トリフルオロメチル)安息香酸 3-(4-メチル-1H-イミダゾール-1-イル)-5-(トリフルオロメチル)安息香酸 641571-13-3 C12H9F3N2O2
2-O-cinnamoyl-beta-D-glucose 2-O-cinnamoyl-beta-D-glucose
SalMeterol IMpurity E SalMeterol IMpurity E C25H37NO4
Spectinomycin Impurity F Spectinomycin Impurity F
Pregabalin Impurity 8 Pregabalin Impurity 8 44996-52-3 C7H11NO3
(3S,5S)-Atorvastatin sodium salt (3S,5S)-Atorvastatin sodium salt 501121-34-2 C33H35FN2O5
Cisatracurium besylate impurity 18 Cisatracurium besylate impurity 18
Erlotinib Impurity 50 Erlotinib Impurity 50
ethyl ((1R,3aR,4aR,6S,8aR,9S,9aS)-9-((E)-2-(5-(3-fluorophenyl)pyridin-2-yl)vinyl)-1-methyl-3-oxododecahydronaphtho[2,3-c]furan-6-yl)carbamate ethyl ((1R,3aR,4aR,6S,8aR,9S,9aS)-9-((E)-2-(5-(3-fluorophenyl)pyridin-2-yl)vinyl)-1-methyl-3-oxododecahydronaphtho[2,3-c]furan-6-yl)carbamate 618385-10-7 C29H33FN2O4
Glycine, N-[4-(aminocarbonyl)phenyl]- Glycine, N-[4-(aminocarbonyl)phenyl]- 355809-32-4 C9H10N2O3
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
(R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl methacrylate (R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl methacrylate C26H36NO3
Tocopherol EP Impurity D Tocopherol EP Impurity D
2-(4-Bromo-3-formylphenoxy)-benzonitrile 2-(4-Bromo-3-formylphenoxy)-benzonitrile 1160182-46-6 C14H8BrNO2
2-[4-[(2RS)-2-HYDROXY-3[(1-METHYLETHYL)AMINO]PROPOXY]PHENYL]ACETONITRILE 2-[4-[(2RS)-2-HYDROXY-3[(1-METHYLETHYL)AMINO]PROPOXY]PHENYL]ACETONITRILE 29277-73-4 C14H20N2O2
Rocuronium bromide impurity (3,16,17-triol) Rocuronium bromide impurity (3,16,17-triol) C23H39NO4
Imimidistine impurity I Imimidistine impurity I
4-(3-アミノフェニル)-1,4-ジヒドロ-5-(2-メトキシエトキシカルボニル)-2,6-ジメチルピリジン-3-カルボン酸イソプロピル 4-(3-アミノフェニル)-1,4-ジヒドロ-5-(2-メトキシエトキシカルボニル)-2,6-ジメチルピリジン-3-カルボン酸イソプロピル 155861-24-8 C21H28N2O5
Lincomycin sulfoxide Impurity F Lincomycin sulfoxide Impurity F
benzyl (2S)-2-amino-3-(4-methanesulfonylphenyl)propanoate hydrochloride benzyl (2S)-2-amino-3-(4-methanesulfonylphenyl)propanoate hydrochloride 1865726-28-8 C17H19NO4S
Rosuvastatin Impurity 161 Rosuvastatin Impurity 161
Moxifloxacin Impurity 15 Moxifloxacin Impurity 15
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
Carvedilol Impurity 2 Carvedilol Impurity 2 1198090-71-9 C18H17NO3
Erlotinib Impurity 32 Erlotinib Impurity 32
Pyrimidine, 4-bromo-6-(1-bromoethyl)-5-fluoro- Pyrimidine, 4-bromo-6-(1-bromoethyl)-5-fluoro- 1307315-02-1 C6H5Br2FN2
Tobramycin Impurity Tobramycin Impurity 74501-86-3 C18H35N5O8
Canagliflozin Impurity 18 Canagliflozin Impurity 18 1951467-29-0 C24H25FO6S
4,4',6-trioxo-4,4',5,6,7,7'-hexahydro-1H,1'H-[5,6'-bipyrrolo[2,3-d]pyrimidine]-5,5'-diyl)bis(ethane-2,1-diyl))bis(benzoyl))bis(azanediyl))dipentanedioic acid 4,4',6-trioxo-4,4',5,6,7,7'-hexahydro-1H,1'H-[5,6'-bipyrrolo[2,3-d]pyrimidine]-5,5'-diyl)bis(ethane-2,1-diyl))bis(benzoyl))bis(azanediyl))dipentanedioic acid
N,N'-Desethylene Levofloxacin Hydrochloride N,N'-Desethylene Levofloxacin Hydrochloride 151250-76-9 C16H18FN3O4
10-[3-(ジメチルアミノ)プロピル]-10H-フェノチアジン5-オキシド 10-[3-(ジメチルアミノ)プロピル]-10H-フェノチアジン5-オキシド 146-21-4 C17H20N2OS
Acarbose Impurity F Acarbose Impurity F
Cefodizime Impurity C Cefodizime Impurity C
Nintedanib Impurity 36 Nintedanib Impurity 36
Ivabradine Impurity 16 HCl Ivabradine Impurity 16 HCl 304464-98-0 C26H34N2O5
5-(2-cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate 5-(2-cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate 1391194-45-8 C20H21NO3S
Apixaban Impurity 18 Apixaban Impurity 18 473927-65-0 C20H17IN4O3
Cyclophosphamide Impurity 20 Cyclophosphamide Impurity 20 2387771-96-0 C9H20ClN2O3P
Crisaborole Impurity Crisaborole Impurity 906673-42-5 C14H10BNO3
デメチルピペラジニルデスエチルシルデナフィルスルホニルクロリド デメチルピペラジニルデスエチルシルデナフィルスルホニルクロリド 139756-27-7 C15H15ClN4O4S
Ticagrelor Related Compound 83 Ticagrelor Related Compound 83
Topiroxostat Impurity 5 Topiroxostat Impurity 5
(E)-(3,4-Dihydro-7-methoxy-1(2H)-naphthalenylidene)acetonitrile (E)-(3,4-Dihydro-7-methoxy-1(2H)-naphthalenylidene)acetonitrile 178676-65-8 C13H13NO
Nilotinib 3-Imidazolyl N-oxide Nilotinib 3-Imidazolyl N-oxide 2139382-75-3 C28H22F3N7O2
Recombinant N-Acetyl Alpha-D-Glucosaminidase (NAGLU) Recombinant N-Acetyl Alpha-D-Glucosaminidase (NAGLU)
Erlotinib Impurity 57 Erlotinib Impurity 57
Dapagliflozin Impurity E Dapagliflozin Impurity E
Mupirocin iMpurity 4 Mupirocin iMpurity 4 C26H44O9
(S)-5-(2-AMinopropyl)-2-MethoxybenzenesulfonaMide (S)-5-(2-AMinopropyl)-2-MethoxybenzenesulfonaMide 119714-13-5 C10H16N2O3S
(E)-4-(2-(1-(m-tolyl)ethylidene)hydrazinyl)benzenesulfonamide (E)-4-(2-(1-(m-tolyl)ethylidene)hydrazinyl)benzenesulfonamide C15H17N3O2S
(1,2,4-Triazol-4-yl) Itraconazole (1,2,4-Triazol-4-yl) Itraconazole 854372-77-3 C35H38Cl2N8O4
Peonidin-3-O-Sophoroside- 5-O-β-D-glucoside Peonidin-3-O-Sophoroside- 5-O-β-D-glucoside 81360-22-7 C34H43O21
Tadalafil Impurity 35 Tadalafil Impurity 35 749864-17-3 C20H18N2O4
Ezetimibe impurity 3 Ezetimibe impurity 3
4-[4-(diMethylaMino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-(hydroxyMethyl)-benzonitrile (CitalopraM Olefinic IMpurity) 4-[4-(diMethylaMino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-(hydroxyMethyl)-benzonitrile (CitalopraM Olefinic IMpurity) 920282-75-3 C20H21FN2O
methyl (2E)-3-(methylamino)but-2-enoate methyl (2E)-3-(methylamino)but-2-enoate 21759-69-3 C6H11NO2
Empagliflozin Impurity 87 Empagliflozin Impurity 87
sofosBuvir Impurity 37 sofosBuvir Impurity 37
Oxacillin Impurity F Oxacillin Impurity F 5053-35-0 C19H19N3O4S2
Imidapril Impurity 2 Imidapril Impurity 2
Diazepam Impurity 3 Diazepam Impurity 3 176796-46-6 C17H17ClN2O2
Empagliflozin impurity F Empagliflozin impurity F
Benzeneacetic acid, 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-α,α-dimethyl-, methyl ester Benzeneacetic acid, 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-α,α-dimethyl-, methyl ester 1181267-38-8 C29H39N3O3
2-(イソプロピルアミノ)-2',6'-アセトキシリジド塩酸塩 2-(イソプロピルアミノ)-2',6'-アセトキシリジド塩酸塩 35891-87-3 C13H20N2O.ClH
PraMipexole IMp.BI-II786BS PraMipexole IMp.BI-II786BS
Blonanserin Impurity 10 Blonanserin Impurity 10 132810-87-8 C23H30ClN3
(S)-4-(TERT-ブチルトキシ)-2-イソプロピル-4-オキソブタン酸 (S)-4-(TERT-ブチルトキシ)-2-イソプロピル-4-オキソブタン酸 134807-43-5 C11H20O4
Atorvastatin Lactam Impurity Atorvastatin Lactam Impurity 906552-18-9 C33H35FN2O6
Pregabalin Impurity 6 Pregabalin Impurity 6 2102350-92-3 C9H15NO3
Avanafil iMpurity 3 Avanafil iMpurity 3
9-ヒドロキシクロミプラミン 9-ヒドロキシクロミプラミン 83385-97-1 C19H23ClN2O
Erlotinib Hydrochloride iMpurity 53 Erlotinib Hydrochloride iMpurity 53
Vitamin K1 Impurity 1 Vitamin K1 Impurity 1 19274-66-9 C31H46O2
Amylmetacresol EP impurity A Amylmetacresol EP impurity A 876473-73-3 C12H18O
Brivaracetam Impurity 37 Brivaracetam Impurity 37
GLICLAZIDE IMPURITY F GLICLAZIDE IMPURITY F
1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline, 2,3,6b,7,8,9,10,10a-octahydro-, (6bR,10aS)- 1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline, 2,3,6b,7,8,9,10,10a-octahydro-, (6bR,10aS)- 313368-81-9 C13H17N3
Beraprost Impurity 2 Beraprost Impurity 2
Amlodipine Impurity 23 (E-Isomer) Amlodipine Impurity 23 (E-Isomer) C26H31ClN2O8S
Piperacillin Impurity X Piperacillin Impurity X
methyl (3aR,4S,6R,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3- yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate methyl (3aR,4S,6R,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3- yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate
Nicorandil Impurity F Nicorandil Impurity F
Afatinib Impurity SHO Afatinib Impurity SHO 2223677-65-2 C38H30Cl2F2N8O6
Avatrombopag Impurity 24 Avatrombopag Impurity 24
1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole) 1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole) 2256739-22-5 C28H28F4N6O3
Cefminox Sodium impurity 4 Cefminox Sodium impurity 4
4-Hydroxy AtoMoxetine Oxalate 4-Hydroxy AtoMoxetine Oxalate 457634-21-8 C19H23NO6
Isavuconazole Impurity 29 Isavuconazole Impurity 29
Ropivacaine Impurity 38 Ropivacaine Impurity 38
Methylprednisolone Impurity 21 Methylprednisolone Impurity 21 150899-33-5 C22H28O4
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