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Structure Chemical Name CAS MF
Gadobutrol Impurity 3 Gadobutrol Impurity 3 2227984-48-5
2,4,6-トリプロピル-1,3,5-トリオキサン 2,4,6-トリプロピル-1,3,5-トリオキサン 2396-43-2 C12H24O3
Timolol maleate impurity 02 Timolol maleate impurity 02
Piracetam IMPURITY Piracetam IMPURITY
Paroxetine Impurity 45 Paroxetine Impurity 45 1396174-70-1 C19H20FNO3
Oseltamivir Impurity 101 Oseltamivir Impurity 101
(trans)-4-((2-amino-4,6-dibromobenzyl)amino)cyclohexanol (trans)-4-((2-amino-4,6-dibromobenzyl)amino)cyclohexanol C13H18Br2N2O
(1R,4S)-4-アミノ-2-シクロペンテン-1-カルボン酸メチル (1R,4S)-4-アミノ-2-シクロペンテン-1-カルボン酸メチル 352226-74-5 C7H11NO2
Lenvatinib impurity LFZZ-18 Lenvatinib impurity LFZZ-18 C11H8Cl2N2O2
AtracuriuM IMpurity C1 (trans-Monoacrylate) AtracuriuM IMpurity C1 (trans-Monoacrylate)
N-Butyl Nor ScopolaMine Hydrochloride N-Butyl Nor ScopolaMine Hydrochloride 22235-98-9 C20H28ClNO4
N-(2-Chloro-ethyl)-N'-(2,3-dichloro-phenyl)-ethane-1,2-diamine N-(2-Chloro-ethyl)-N'-(2,3-dichloro-phenyl)-ethane-1,2-diamine C10H13Cl3N2
Peramivir Impurity 20 Peramivir Impurity 20
Nirmatrelvir Impurity 10 Nirmatrelvir Impurity 10
EP Impurity Catalog EP Impurity Catalog
4-フェニルモルホリン-3-オン 4-フェニルモルホリン-3-オン 29518-11-4 C10H11NO2
4-Thiazoleacetyl chloride, 2-amino-, monohydrochloride 4-Thiazoleacetyl chloride, 2-amino-, monohydrochloride 66313-72-2 C5H6Cl2N2OS
2-[(1-Benzylpiperidin-4-yl)hydroxyMethyl]-5,6-diMethoxyindan-1-one 2-[(1-Benzylpiperidin-4-yl)hydroxyMethyl]-5,6-diMethoxyindan-1-one 197010-20-1 C24H29NO4
Butyphthalide impurity 44 Butyphthalide impurity 44 952413-01-3 C13H18O3
Morpholine, 4-[4-(1,1-dimethylethoxy)-1,2,5-thiadiazol-3-yl]- Morpholine, 4-[4-(1,1-dimethylethoxy)-1,2,5-thiadiazol-3-yl]- 158636-99-8 C10H17N3O2S
AMisulpride IMpurity AMisulpride IMpurity 84859-26-7 C8H17NO2
Palbociclib Impurity 67 Palbociclib Impurity 67
N-(4-メチルピリジン-3-イル)カルバミン酸メチル N-(4-メチルピリジン-3-イル)カルバミン酸メチル 694495-63-1 C8H10N2O2
Apixaban impurity 14/6-(4-aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid Apixaban impurity 14/6-(4-aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid 1704504-93-7 C20H18N4O4
Peramivir Intermediate Impurity 37 Peramivir Intermediate Impurity 37
Ceftazidime Sulfoxide Impurity Ceftazidime Sulfoxide Impurity
N-((3R,4S)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine N-((3R,4S)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine 1092578-45-4 C20H25N5
Hexanamide, N-[(1S)-1-(aminocarbonyl)propyl]-3-(hydroxymethyl)-, (3R)- Hexanamide, N-[(1S)-1-(aminocarbonyl)propyl]-3-(hydroxymethyl)-, (3R)- 2252417-17-5 C11H22N2O3
Istradefylline impurity B Istradefylline impurity B
Ozagrel-015 Ozagrel-015 1332370-00-9 C10H10O3
IMp. A (EP): Ethyl 4-[(11RS)-8-Chloro-11-hydroxy-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl]piperidine-1-carboxylate IMp. A (EP): Ethyl 4-[(11RS)-8-Chloro-11-hydroxy-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl]piperidine-1-carboxylate 38092-95-4 C19H20N2
Linagliptin Impurity 44 Linagliptin Impurity 44
Cefradine Impurity 8 Cefradine Impurity 8 30959-67-2 C16H19N3O4S
Fudosteine Impurity 2 Fudosteine Impurity 2 1480319-53-6 C6H13NO5S
Brexpiprazole Impurity 34 Brexpiprazole Impurity 34 2247155-42-4 C25H27N3O4S
Ornidazole Impurity 26 Ornidazole Impurity 26
rac Deoxy-O-desMethyl Venlafaxine rac Deoxy-O-desMethyl Venlafaxine 1346605-18-2 C16H25NO
Peramivir Impurity 25 Peramivir Impurity 25
GINKGOLIC ACIDS GINKGOLIC ACIDS
Flucloxacillin Impurity B Flucloxacillin Impurity B
Olsalazine Impurity F Olsalazine Impurity F
ZIDOVUDINE IMPURITY B ZIDOVUDINE IMPURITY B
(S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide (S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide
Empagliflozin Impurity 61 Empagliflozin Impurity 61
Pitavastatin Impurity 72 Pitavastatin Impurity 72
6-methyl-2-oxo-5-pyridin-2-yl-1H-pyridine-3-carbonitrile 6-methyl-2-oxo-5-pyridin-2-yl-1H-pyridine-3-carbonitrile 106637-42-7 C12H9N3O
Irinotecan EP Impurity H Irinotecan EP Impurity H
Budesonide Impurity 6 Budesonide Impurity 6 131918-73-5 C21H26O6
Olprinone Impurity 8 Olprinone Impurity 8
Dolutegravir Impurity 19 Dolutegravir Impurity 19
Ritonavir EP Impurity I Ritonavir EP Impurity I 165315-26-4 C36H46N6O5S2
1-ブタンスルホン酸メチル 1-ブタンスルホン酸メチル 2374-69-8 C5H12O3S
3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one 3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one 85175-65-1 C15H20ClNO3
N-((4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)phenyl) sulfonyl)acetamide N-((4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)phenyl) sulfonyl)acetamide 198471-47-5 C19H16F3N3O3S
Nsc529487 Nsc529487 3310-47-2 C9H13N3O6
Pregna-1,4-dien-3-one, 21-(acetyloxy)-11,17,20-trihydroxy-6-methyl-, (6α,11β)- (9CI) Pregna-1,4-dien-3-one, 21-(acetyloxy)-11,17,20-trihydroxy-6-methyl-, (6α,11β)- (9CI) 151003-82-6 C24H34O6
Benzenesulfonamide, 2-(5-methyl-3-phenyl-4-isoxazolyl)- Benzenesulfonamide, 2-(5-methyl-3-phenyl-4-isoxazolyl)- 2304623-35-4 C16H14N2O3S
N-formyl-1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide N-formyl-1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide 1351611-14-7 C26H25N5O5
2-メトキシ-5-スルホ安息香酸1-メチル 2-メトキシ-5-スルホ安息香酸1-メチル 94134-07-3 C9H10O6S
Pidotimod Impurity O Pidotimod Impurity O
Labetalol EP impurity E Labetalol EP impurity E
Cisatracurium besylate impurity11 Cisatracurium besylate impurity11
Ropivacaine-cycle Ropivacaine-cycle 1945965-95-6 C17H24N2O
Cabozantinib impurity 40 Cabozantinib impurity 40
EMpagliflozin iMpurity 11 EMpagliflozin iMpurity 11
pranoprofen impurity 25 pranoprofen impurity 25
Metoprolol IMpurity 4 Metoprolol IMpurity 4 C15H25NO3
PD 312237 PD 312237 501666-23-5 C20H35NO11
Teneligliptin Impurity 3 Teneligliptin Impurity 3
Pazopanib ImpurityABCDEFGHJKL Pazopanib ImpurityABCDEFGHJKL
Dasatinib IMpurity 6 Dasatinib IMpurity 6
2-cyano-1,3-bis(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine 2-cyano-1,3-bis(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine 55272-86-1 C16H24N8S2
Sofosbuvir Impurity 9 Sofosbuvir Impurity 9
Vortioxetine Impurity 29 Vortioxetine Impurity 29 1928741-88-1 C18H23ClN2S
1',15-オキシエリスロマイシン 1',15-オキシエリスロマイシン 41451-91-6 C37H65NO14
N-エチル-N-ニトロソ-2-プロパンアミン N-エチル-N-ニトロソ-2-プロパンアミン 16339-04-1 C5H12N2O
Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- 2436275-33-9 C18H14FIS
1-Pyrrolidinecarboxylic acid, 4-hydroxy-2-(3-thiazolidinylcarbonyl)-, 1,1-dimethylethyl ester, (2S,4S)- 1-Pyrrolidinecarboxylic acid, 4-hydroxy-2-(3-thiazolidinylcarbonyl)-, 1,1-dimethylethyl ester, (2S,4S)- 401564-34-9 C13H22N2O4S
N-[(10S)-3,4,5,14-テトラメトキシ-13-オキソトリシクロ[9.5.0.02,7]ヘキサデカ-1(16),2(7),3,5,11,14-ヘキサエン-10-イル]ホルムアミド N-[(10S)-3,4,5,14-テトラメトキシ-13-オキソトリシクロ[9.5.0.02,7]ヘキサデカ-1(16),2(7),3,5,11,14-ヘキサエン-10-イル]ホルムアミド 7411-12-3 C21H23NO6
1-(4,8-bis-(2,2,2-trifluoroacetyl)-11-{4-[4,8,11-tris-(2,2,2-trifluoroacetyl)-1,4,8,11-tetraazacyclotetradec-1-ylMethyl]-benzyl}-1,4,8,11-tetraazacyclotetradec-1-yl)-2,2,2-trifluoroethanone 1-(4,8-bis-(2,2,2-trifluoroacetyl)-11-{4-[4,8,11-tris-(2,2,2-trifluoroacetyl)-1,4,8,11-tetraazacyclotetradec-1-ylMethyl]-benzyl}-1,4,8,11-tetraazacyclotetradec-1-yl)-2,2,2-trifluoroethanone 406939-93-3 C40H48F18N8O6
methyl3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin -4-yl)amino)piperidin-1-yl)-3-oxopropanoate methyl3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin -4-yl)amino)piperidin-1-yl)-3-oxopropanoate 1616761-01-3 C17H23N5O3
Pramipexole Impurity 55 Pramipexole Impurity 55 959012-83-0 C8H11NO2
Indacaterol Impurity 7 Indacaterol Impurity 7 1403389-05-8 C24H30N2O3
(2S)-Pinocembrin 7-O-[2''-O-(5'''-O-trans -cinnamoyl)-β-D-apiofuranosyl]-β-D-glucoside (2S)-Pinocembrin 7-O-[2''-O-(5'''-O-trans -cinnamoyl)-β-D-apiofuranosyl]-β-D-glucoside 773899-29-9 C35H36O14
3-Oxo Citalopram 3-Oxo Citalopram 372941-54-3 C20H19FN2O2
Rotigotine Impurity 2 Rotigotine Impurity 2
Flomoxef oxidation impurities Flomoxef oxidation impurities
(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-aMino-2-Methylpentanoic acid (2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-aMino-2-Methylpentanoic acid 1039307-95-3 C18H21NO2
Febuxostat Impurity 54 Febuxostat Impurity 54
Febuxostat Impurity 82 Febuxostat Impurity 82
Salbutamol Impurity 37 Salbutamol Impurity 37
LaMotrigine IMpurity LaMotrigine IMpurity
Bortezomib Impurity 16 Bortezomib Impurity 16
L-アラニン2-(2-アミノ-6-オキソ-1,6-ジヒドロ-9H-プリン-9-イルメトキシ)エチル L-アラニン2-(2-アミノ-6-オキソ-1,6-ジヒドロ-9H-プリン-9-イルメトキシ)エチル 84499-64-9 C11H16N6O4
Olprinone Impurity C Olprinone Impurity C
4-AMino-N-[(1-ethyl-2-pyrrolidinyl)Methyl]-5-(ethylsulfonyl)- 2-MethoxybenzaMide N-Oxide 4-AMino-N-[(1-ethyl-2-pyrrolidinyl)Methyl]-5-(ethylsulfonyl)- 2-MethoxybenzaMide N-Oxide 71676-01-2 C17H27N3O5S
Moxifloxacin Impurity 45 Moxifloxacin Impurity 45
4-Acetyl Rhein 4-Acetyl Rhein 875535-36-7 C17H10O7
Regorafenib Impurity 10 Regorafenib Impurity 10
1-NaphthaleneMethanaMine, 7,8-dihydro-α-Methyl-N-[3-[3-(trifluoroMethyl)phenyl]propyl]-, hydrochloride (1:1), (αR)- 1-NaphthaleneMethanaMine, 7,8-dihydro-α-Methyl-N-[3-[3-(trifluoroMethyl)phenyl]propyl]-, hydrochloride (1:1), (αR)- 1020414-33-8 C22H25ClF3N
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