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Structure Chemical Name CAS MF
Tofacitinib Impurity 105 Tofacitinib Impurity 105
3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonaMide 3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonaMide C16H14N2O3S
4-Methoxy-2,3,5-trimethylpyride-N-oxide 4-Methoxy-2,3,5-trimethylpyride-N-oxide 86604-80-0 C9H13NO2
4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-[1,1'-biphenyl]-3-sulfonamide 4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-[1,1'-biphenyl]-3-sulfonamide
Ornidazole Impurity J Ornidazole Impurity J 742020-47-9 C7H12N4O3
Hydroxy Flunarizine Hydroxy Flunarizine 87166-81-2 C26H26F2N2O
Linagliptin Impurity F Linagliptin Impurity F 1673546-62-7 C27H27F3N8O3
Topiroxostat Impurity 4 Topiroxostat Impurity 4
2-Azabicyclo[3.1.0]hexane-3-carbonitrile, 2-[(2R)-2-aMino-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-, (1R,3R,5R)- 2-Azabicyclo[3.1.0]hexane-3-carbonitrile, 2-[(2R)-2-aMino-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-, (1R,3R,5R)- 1564265-95-7 C18H25N3O2
(3S,4R)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one (3S,4R)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1593543-00-0 C24H21F2NO3
(S)-BoroLeu-(-)-Pinanediol-CF3COOH (S)-BoroLeu-(-)-Pinanediol-CF3COOH 477254-69-6 C17H29BF3NO4
2-amino-3,5-dibromo-N-((1r,4r)-4-hydroxycyclohexyl)benzamide 2-amino-3,5-dibromo-N-((1r,4r)-4-hydroxycyclohexyl)benzamide 105735-86-2 C13H16Br2N2O2
(R)-α-[(2,2-DiMethyl-1-oxopropyl)aMino]-4-hydroxybenzeneacetic Acid (R)-α-[(2,2-DiMethyl-1-oxopropyl)aMino]-4-hydroxybenzeneacetic Acid 205826-86-4 C13H17NO4
Nirmatrelvir Impurity 9 Nirmatrelvir Impurity 9
Hyoscine Butylbromide EP Impurity D Hyoscine Butylbromide EP Impurity D
(R)-N-((S)-2-aminobutanoyl)-3-(bromomethyl)hexanamide (R)-N-((S)-2-aminobutanoyl)-3-(bromomethyl)hexanamide C11H21BrN2O2
(3RS)-1,3-Bis[4-(2-Methylpropyl) phenyl]butan-1-one (3RS)-1,3-Bis[4-(2-Methylpropyl) phenyl]butan-1-one C24H32O
Canagliflozin Impurity 23 Canagliflozin Impurity 23
Aprepitant iMpurity 45 Aprepitant iMpurity 45
Atracurium Impurity E Atracurium Impurity E
Brivaracet amoxidation Impurity 2 Brivaracet amoxidation Impurity 2
SalMeterol iMpurity SalMeterol iMpurity 144391-74-2 C25H37NO4
DESMETHYL ATOMOXETINE HYDROCHLORIDE DESMETHYL ATOMOXETINE HYDROCHLORIDE 881995-46-6 C16H19NO.ClH
Canagliflozin Impurity 48 Canagliflozin Impurity 48
Cyclosporine iMpurity Cyclosporine iMpurity
3-[(Dimethylamino)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one 3-[(Dimethylamino)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one 153139-56-1 C16H20N2O
1H-Benzimidazole, 6-bromo-2-methyl-4-(phenylmethoxy)- 1H-Benzimidazole, 6-bromo-2-methyl-4-(phenylmethoxy)- 774582-60-4 C15H13BrN2O
AztreonaM IMpurity F AztreonaM IMpurity F 102579-57-7 C15H21N5O8S2
3-[(2-[(E)-2-(3-ETHYL-1,3-BENZOTHIAZOL-3-IUM-2-YL)ETHENYL]-6-((E)-2-[3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]ETHYLIDENE)-4-METHYL-1-CYCLOHEXEN-1-YL)OXY]-1-PROPANESULFONATE 3-[(2-[(E)-2-(3-ETHYL-1,3-BENZOTHIAZOL-3-IUM-2-YL)ETHENYL]-6-((E)-2-[3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]ETHYLIDENE)-4-METHYL-1-CYCLOHEXEN-1-YL)OXY]-1-PROPANESULFONATE C32H36N2O4S3
ノルリドカイン塩酸塩 ノルリドカイン塩酸塩 7729-94-4 C12H18N2O.ClH
N-Isopropyl Carvedilol N-Isopropyl Carvedilol 1246819-01-1 C27H32N2O4
α-メチル-4-(ブロモメチル)フェニル酢酸メチル α-メチル-4-(ブロモメチル)フェニル酢酸メチル 99807-54-2 C11H13BrO2
4-(4-メチルピペラジン-1-イルメチル)安息香酸 4-(4-メチルピペラジン-1-イルメチル)安息香酸 106261-48-7 C13H18N2O2
Flucloxacillin Impurity Flucloxacillin Impurity
Acetamide, N-[2-hydroxy-3-[4-[[2-(1-methylethoxy)ethoxy]methyl]phenoxy]propyl]-N-(1-methylethyl)- Acetamide, N-[2-hydroxy-3-[4-[[2-(1-methylethoxy)ethoxy]methyl]phenoxy]propyl]-N-(1-methylethyl)- 66722-65-4 C20H33NO5
(1S,2S,3R,5S)-3-(7-chloro-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol (1S,2S,3R,5S)-3-(7-chloro-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol C14H20ClN5O4S
Amoxicillin Oxidized Impurities Amoxicillin Oxidized Impurities
2-(3-cyano-4-isobutoxyphenyl)-N,N,4-trimethylthiazole-5- carboxamide 2-(3-cyano-4-isobutoxyphenyl)-N,N,4-trimethylthiazole-5- carboxamide 1380049-45-5 C18H21N3O2S
(E)-8-(3,4-dimethoxystyryl) (E)-8-(3,4-dimethoxystyryl)
Tolvaptan impurity3 Tolvaptan impurity3
2-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide 2-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide 1797905-42-0 C26H24FNO3
((2R,3S,4R,5R,6S)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl) methyl)-4-methylphenyl)-3,4,5-trihydroxytetrahydro- 2H-pyran-2-yl)methyl acetate ((2R,3S,4R,5R,6S)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl) methyl)-4-methylphenyl)-3,4,5-trihydroxytetrahydro- 2H-pyran-2-yl)methyl acetate 2146135-87-5 C26H27FO6S
4-(3-メチルフェニル)-2H-ピリド[4,3-E]-1,2,4-チアジアジン-3(4H)-オン1,1-ジオキシド SODIUM SALT (TORSEMIDE IMPURITY) 4-(3-メチルフェニル)-2H-ピリド[4,3-E]-1,2,4-チアジアジン-3(4H)-オン1,1-ジオキシド SODIUM SALT (TORSEMIDE IMPURITY) 72810-61-8 C13H11N3O3S
Liquiritigenin-7-O-apiosyl(1-2)-glucoside Liquiritigenin-7-O-apiosyl(1-2)-glucoside 135432-48-3 C26H30O13
4-(4-Piperidyl)-1-butanol 4-(4-Piperidyl)-1-butanol 57614-92-3 C9H19NO
methyl (41R,12R,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate methyl (41R,12R,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 38990-16-8 C21H26N2O3
オリビル 4-O-グルコシド オリビル 4-O-グルコシド 76880-93-8 C26H34O12
Febuxostat Impurity 43 Febuxostat Impurity 43
3-Quinolinecarbonitrile, 4-[(2,4-dichloro-5-hydroxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]- 3-Quinolinecarbonitrile, 4-[(2,4-dichloro-5-hydroxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]- 2468737-92-8 C25H27Cl2N5O3
PREDNICARBATE RELATED COMPOUND C (プレドニゾロン-21-プロピオン酸) PREDNICARBATE RELATED COMPOUND C (プレドニゾロン-21-プロピオン酸) 5740-62-5 C24H32O6
(R)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium (R)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium C19H28NO3+
7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid C14H16FN3O3
(trans)-2-(3,4-difluorophenyl)cyclopropanecarboxamide (trans)-2-(3,4-difluorophenyl)cyclopropanecarboxamide 1006614-51-2 C10H9F2NO
4-アミノフルオレセイン 4-アミノフルオレセイン 3326-34-9 C20H13NO5
2-クロロ-N-(2,3-ジメチルフェニル)アセトアミド 2-クロロ-N-(2,3-ジメチルフェニル)アセトアミド 2564-07-0 C10H12ClNO
Nilotinib N-Oxide Impurity 4 Nilotinib N-Oxide Impurity 4
Ambroxol Impurity 8(Ambroxol Impurity M) Ambroxol Impurity 8(Ambroxol Impurity M) 1445719-53-8 C13H16Br2N2O
(4S,6R)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid tert-Butyl Ester (4S,6R)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid tert-Butyl Ester 186508-95-2 C14H23NO4
[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 79750-46-2 C16H17N3O4S
Irbesartan Impurity 5 Irbesartan Impurity 5 1213252-81-3 C25H28N6O
Ioversol Related Compound B (50 mg) (N,N'-bis(2,3-dihydroxypropyl)-5-[(N-(2-hydroxyethyl)-carbamoyl)methoxy]-2,4,6-triiodoisophthalamide) Ioversol Related Compound B (50 mg) (N,N'-bis(2,3-dihydroxypropyl)-5-[(N-(2-hydroxyethyl)-carbamoyl)methoxy]-2,4,6-triiodoisophthalamide) 104517-96-6 C18H24I3N3O9
Cefdinir Impurity PQ(CP) Cefdinir Impurity PQ(CP)
3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-6-(dimethylamino)- 3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-6-(dimethylamino)- 2626934-45-8 C25H30Cl2N6OS2
2-(4-ヒドロキシフェニル)-5-ヒドロキシ-3,7-ビス(β-D-グルコピラノシルオキシ)-4H-1-ベンゾピラン-4-オン 2-(4-ヒドロキシフェニル)-5-ヒドロキシ-3,7-ビス(β-D-グルコピラノシルオキシ)-4H-1-ベンゾピラン-4-オン 25615-14-9 C27H30O16
3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid 358390-39-3 C18H20N4O4
(2R,3S)-2-(4-(cyclopentylamino)phenyl)-1-(2-fluoro-6-methylbenzoyl)-N-(4-((2R,3S)-1-(2-fluoro-6-methylbenzoyl)-3-((4-methyl-3-(trifluoromethyl)phenyl)carbamoyl)piperidin-2-yl)phenyl)piperidine-3-carboxamide (2R,3S)-2-(4-(cyclopentylamino)phenyl)-1-(2-fluoro-6-methylbenzoyl)-N-(4-((2R,3S)-1-(2-fluoro-6-methylbenzoyl)-3-((4-methyl-3-(trifluoromethyl)phenyl)carbamoyl)piperidin-2-yl)phenyl)piperidine-3-carboxamide
8-Hydroxy Entecavir 8-Hydroxy Entecavir 1795791-10-4 C12H15N5O4
(3R,5R)-Fluvastatin Sodium Salt (3R,5R)-Fluvastatin Sodium Salt 194934-99-1 C24H27FNNaO4
Rosuvastatin Impurity 152 Rosuvastatin Impurity 152
Atracurium Impurity W Atracurium Impurity W
He-H2-Ar ternary mixture He-H2-Ar ternary mixture
Exatecan Metabolite 1 (UM-1 (1RS)-Isomer) Acetate (Mixture of Diastereomers) Exatecan Metabolite 1 (UM-1 (1RS)-Isomer) Acetate (Mixture of Diastereomers)
Riociguat Impurtiy 4 Riociguat Impurtiy 4
(R)-N-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide (R)-N-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide 1223404-68-9 C21H22F2N6O2
1-Ethyl-2-[[(2-methoxy-5-sulphamoyl 1-Ethyl-2-[[(2-methoxy-5-sulphamoyl
N-(4-(2-Methyl-5,6-dihydro-4H-benzo[b]oxazolo[5,4-d]azepine-6-carbonyl)phenyl)-[1,1'-biphenyl]-2-carboxaMide N-(4-(2-Methyl-5,6-dihydro-4H-benzo[b]oxazolo[5,4-d]azepine-6-carbonyl)phenyl)-[1,1'-biphenyl]-2-carboxaMide 168626-93-5 C32H25N3O3
Levofloxacin Impurity 24 Levofloxacin Impurity 24 C18H20FN3O4
Ticagrelor Impurity 13 Ticagrelor Impurity 13
Oseltamivir Impurity (MW:468Da) Oseltamivir Impurity (MW:468Da)
ヒドロキシボセンタン ヒドロキシボセンタン 253688-60-7 C27H29N5O7S
N-(3R)-1-Azabicyclo[2.2.2]oct-3-yl-5,6,7,8-tetrahydro-1-naphthalenecarboxamide N-(3R)-1-Azabicyclo[2.2.2]oct-3-yl-5,6,7,8-tetrahydro-1-naphthalenecarboxamide 1374226-74-0 C18H24N2O
Valsartan cyano analog methyl ester Valsartan cyano analog methyl ester 137863-90-2 C25H30N2O3
FaMotidine iMpurity FaMotidine iMpurity 130463-35-3 C5H8N4S2.Na
benzyl (S)-2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate benzyl (S)-2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate 1194550-67-8 C36H30Cl2N2O7S
Imatinib Impurity 4 Imatinib Impurity 4 942514-62-7 C30H33N7O
3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 2504210-48-2 C22H23N9O
Levothyroxine EP Impurity B Levothyroxine EP Impurity B 1628720-66-0 C15H11ClI3NO4
2-(((3aR,4S,6R,6aS)-6-(7-aMino-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-2,2-diMethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol 2-(((3aR,4S,6R,6aS)-6-(7-aMino-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-2,2-diMethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol 1858267-99-8 C17H26N6O4S
Vitamin B12 e-Monocarboxylic Acid Vitamin B12 e-Monocarboxylic Acid 26264-28-8 C63H87CoN13O15P
9-Piperazino Ofloxacin 9-Piperazino Ofloxacin 197291-75-1 C18H20FN3O4
Pramipexole impurity II Pramipexole impurity II
IpratropiuM BroMide IMpurity E IpratropiuM BroMide IMpurity E 183626-76-8 C19H27NO3
Nicorandil Impurity 2 Nicorandil Impurity 2
Febuxostat Impurity 8 Febuxostat Impurity 8 144060-62-8 C16H17NO4S
Febuxostat Bromo Impurity Febuxostat Bromo Impurity 144060-40-2 C15H16BrNO3S
(2R,3R)-2-[(1S)-1-[3,5-Bis(trifluoroMethyl)phenyl]ethoxy]-3-(4-fluorophenyl)Morpholine hydrochloride (2R,3R)-2-[(1S)-1-[3,5-Bis(trifluoroMethyl)phenyl]ethoxy]-3-(4-fluorophenyl)Morpholine hydrochloride 1333998-21-2 C20H19ClF7NO2
6-(1-methyl-1H-indazol-5-yl)pyrimidin-4-ol 6-(1-methyl-1H-indazol-5-yl)pyrimidin-4-ol
(1R,3R)-Solifenacin Succinate 2 (1R,3R)-Solifenacin Succinate 2 740780-79-4 C23H26N2O2
Topiroxostat Impurity 14 Topiroxostat Impurity 14
Alogliptin Impurity E Alogliptin Impurity E
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