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Structure Chemical Name CAS MF
Benzoic acid, 4-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]- Benzoic acid, 4-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]- 906673-43-6 C14H11BO5
1H-Purine-2,6-dione, 8-(3-amino-1-piperidinyl)-7-(3-chloro-2-buten-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]- 1H-Purine-2,6-dione, 8-(3-amino-1-piperidinyl)-7-(3-chloro-2-buten-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]- 2138805-26-0 C25H29ClN8O2
1,3-Benzenedicarboxamide, 5-[acetyl(2,3-dihydroxypropyl)amino]-N1,N3-bis(2,3-dihydroxypropyl)-2,4-diiodo- 1,3-Benzenedicarboxamide, 5-[acetyl(2,3-dihydroxypropyl)amino]-N1,N3-bis(2,3-dihydroxypropyl)-2,4-diiodo- 1651211-78-7 C19H27I2N3O9
(2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxy-3-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxy-3-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
(E)-1-(4-(2-carboxyvinyl)benzyl)-1H-imidazole 3-oxide (E)-1-(4-(2-carboxyvinyl)benzyl)-1H-imidazole 3-oxide
Vonoprazan Impurity B-2 Vonoprazan Impurity B-2
2-(Cyanomethylthio)acetic acid 2-(Cyanomethylthio)acetic acid 55817-29-3 C4H5NO2S
Budesonide Impurity 31 Budesonide Impurity 31
Budesonide Impurity 23 Budesonide Impurity 23
Hexanoic acid, 3-(chloromethyl)-, (3R)- Hexanoic acid, 3-(chloromethyl)-, (3R)- 2101641-90-9 C7H13ClO2
Bisoprolol Impurity Bisoprolol Impurity 2226263-68-7 C18H31NO4
2(1H)-Quinolinone, 5-[(1R)-1,2-dihydroxyethyl]-8-(phenylmethoxy)- 2(1H)-Quinolinone, 5-[(1R)-1,2-dihydroxyethyl]-8-(phenylmethoxy)- 1261219-83-3 C18H17NO4
Tofacitinib Impurity Tofacitinib Impurity 2504210-41-5 C29H38N10O2
tert-butyl 2-((4R,6S)-6-((E)-2-(4-(3-fluorophenyl)-6-isopropyl-2-(N- methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3- dioxan-4-yl)acetate tert-butyl 2-((4R,6S)-6-((E)-2-(4-(3-fluorophenyl)-6-isopropyl-2-(N- methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3- dioxan-4-yl)acetate
2-Pentenoic acid, 3-amino-2-cyano-5-[(3R,4R)-4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-1-piperidinyl]-5-oxo-, ethyl ester, (2E)- 2-Pentenoic acid, 3-amino-2-cyano-5-[(3R,4R)-4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-1-piperidinyl]-5-oxo-, ethyl ester, (2E)- 2459302-85-1 C21H27N7O3
(1S,1'S,2S,2'S)-2,2'-((pentane-1,5-diylbis(oxy))bis(3-oxopropane-3,1-diyl))bis(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium) (1S,1'S,2S,2'S)-2,2'-((pentane-1,5-diylbis(oxy))bis(3-oxopropane-3,1-diyl))bis(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium) 96946-55-3 C53H72N2O12+2
Glycine, N-(2-aminobenzoyl)-, ethyl ester Glycine, N-(2-aminobenzoyl)-, ethyl ester 5973-34-2 C11H14N2O3
Hexahydrocyclopenta[c]pyrrol-2(1H)-amin Hexahydrocyclopenta[c]pyrrol-2(1H)-amin 54528-00-6 C7H14N2
(S)-Methyl 2-aminobutanoate (S)-Methyl 2-aminobutanoate 15399-22-1 C5H11NO2
(6S,8S,9S,10R,11S,13S,14S,17R)-17-(2,2-dihydroxyacetyl)-11,17-dihydroxy-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (6S,8S,9S,10R,11S,13S,14S,17R)-17-(2,2-dihydroxyacetyl)-11,17-dihydroxy-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
(3aS-cis)-1,3-Dibenzyltetrahydro-1H-thieno[3,4-d]imidazol-2,4-dion (3aS-cis)-1,3-Dibenzyltetrahydro-1H-thieno[3,4-d]imidazol-2,4-dion 28092-52-6 C19H18N2O2S
Methyl-L-prolinat Methyl-L-prolinat 2577-48-2 C6H11NO2
sodium (S,Z)-2-((1S,2R)-1-carboxylato-2-hydroxypropyl)-5-(4- hydroxybutylidene)-2,5-dihydrothiazole-4-carboxylate sodium (S,Z)-2-((1S,2R)-1-carboxylato-2-hydroxypropyl)-5-(4- hydroxybutylidene)-2,5-dihydrothiazole-4-carboxylate
2,4,6-tripropyl-1,3,5-trioxane 2,4,6-tripropyl-1,3,5-trioxane 2396-43-2 C12H24O3
Oseltamivir  Impurity 94 Oseltamivir Impurity 94
Oseltamivir  Impurity 82 Oseltamivir Impurity 82
Oseltamivir  Impurity 74 Oseltamivir Impurity 74
Uridine, 5'-(2-methylpropanoate) (9CI) Uridine, 5'-(2-methylpropanoate) (9CI) 886538-48-3 C13H18N2O7
Dapagliflozin Impurity 47 Dapagliflozin Impurity 47
Crisaborole Impurity 17 Crisaborole Impurity 17
Crisaborole Impurity 19 Crisaborole Impurity 19
1,5-Pentanedione, 1-(2-fluorophenyl)-5-[(4S)-2-oxo-4-phenyl-3-oxazolidinyl]- 1,5-Pentanedione, 1-(2-fluorophenyl)-5-[(4S)-2-oxo-4-phenyl-3-oxazolidinyl]- 2514695-40-8 C20H18FNO4
4-ethoxy-3-(4-pyridyl)-3-buten-2-one 4-ethoxy-3-(4-pyridyl)-3-buten-2-one 88349-61-5 C11H13NO2
1,3-Dihydro-4-methyl-2H-1,5-benzodiazepin-2-on 1,3-Dihydro-4-methyl-2H-1,5-benzodiazepin-2-on 6276-48-8 C10H10N2O
(E)-2-Methoxy-4-(prop-1-enyl)phenol (E)-2-Methoxy-4-(prop-1-enyl)phenol 5932-68-3 C10H12O2
3-Amino-5-[(methylthio)methyl]oxazolidin-2-on 3-Amino-5-[(methylthio)methyl]oxazolidin-2-on 25517-72-0 C5H10N2O2S
Phosphonic acid, [[2-(6-amino-9H-purin-9-yl)propoxy]methyl]- (9CI) Phosphonic acid, [[2-(6-amino-9H-purin-9-yl)propoxy]methyl]- (9CI) 107021-20-5 C9H14N5O4P
Sitagliptin EP Impurity 7 Sitagliptin EP Impurity 7
Sitagliptin EP Impurity H Sitagliptin EP Impurity H
7-Benzofurancarboxamide, 4-amino-5-chloro-2,3-dihydro-3-hydroxy-N-[1-(3-methoxypropyl)-4-piperidinyl]- 7-Benzofurancarboxamide, 4-amino-5-chloro-2,3-dihydro-3-hydroxy-N-[1-(3-methoxypropyl)-4-piperidinyl]- 2636673-48-6 C18H26ClN3O4
Beprostatin impurity 4 Beprostatin impurity 4
Methyltosylcarbamat Methyltosylcarbamat 14437-03-7 C9H11NO4S
(1R,2R,4S,5S,7s,9r)-9-butyl-9-methyl-7-((2-phenylacryloyl)oxy)-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium (1R,2R,4S,5S,7s,9r)-9-butyl-9-methyl-7-((2-phenylacryloyl)oxy)-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium 786598-71-8 C21H28NO3+
(+)-2-Ethoxy-4-(N-3-Methyl-1(S)-(2-(1-Piperidinyl)Phenyl)-Butyl)Carbamoylmethyl) (+)-2-Ethoxy-4-(N-3-Methyl-1(S)-(2-(1-Piperidinyl)Phenyl)-Butyl)Carbamoylmethyl) 147770-06-7 C29H40N2O4
4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 152402-97-6 C7H8Cl3N
4-(3-CYANO-2-METHYLPROPIONYL)ACETAMILIDE 4-(3-CYANO-2-METHYLPROPIONYL)ACETAMILIDE 42075-21-8
Erythromycin, 6-O-Methyl-2',4'-Bis-O-(Trimethylsilyl)-, 9-[O-(1-Methoxy-1-Methylethyl)Oxime] Erythromycin, 6-O-Methyl-2',4'-Bis-O-(Trimethylsilyl)-, 9-[O-(1-Methoxy-1-Methylethyl)Oxime] 119699-81-9 C48H94N2O14Si2
(R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-7-(3-oxobutyl)-3,7-dihydro-1H-purine-2,6-dione (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-7-(3-oxobutyl)-3,7-dihydro-1H-purine-2,6-dione
Isavuconazole Impurity 37 Isavuconazole Impurity 37
N-((R)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide N-((R)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide 1375004-39-9 C29H39BN4O4
(S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile (S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile
Mannitol EP impurity B Mannitol EP impurity B
Mannitol EP impurity A Mannitol EP impurity A
Peramivir Amino Carboxylic Isomerism Impurity Peramivir Amino Carboxylic Isomerism Impurity
Faropenem Degradation Impurity B Faropenem Degradation Impurity B
2-chloro-1-(5-isopropoxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one 2-chloro-1-(5-isopropoxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one
Oxacillin Impurity 1 Oxacillin Impurity 1 36231-30-8 C19H19N3O6S
Brivaracetam Impurity 33 Brivaracetam Impurity 33
Arformoterol Impurity 24 Arformoterol Impurity 24 477552-93-5 C19H24N2O3
Pregabalin Impurity 99 Pregabalin Impurity 99 949890-75-9 C16H23NO4
Roxatidine Impurity 9 Roxatidine Impurity 9 87327-60-4 C4H6O4
Regofenib impurity K Regofenib impurity K
Chlorpheniramine Impurity 4 Chlorpheniramine Impurity 4
Peramivir Impurity 43 Peramivir Impurity 43
N-(4-BROMOBUTYL)-7-(4-BROMOBUTOXY)-QUINOLINE-2(1H)-ONE N-(4-BROMOBUTYL)-7-(4-BROMOBUTOXY)-QUINOLINE-2(1H)-ONE 1076199-56-8 C17H21Br2NO2
METHYL 2-[(2,5-DICHLOROBENZOYL)AMINO]ACETATE METHYL 2-[(2,5-DICHLOROBENZOYL)AMINO]ACETATE 338965-44-9 C10H9Cl2NO3
4-(DIPHENYLMETHYL)-1-PIPERAZINEETHANOL DIHYDROCHLORIDE 4-(DIPHENYLMETHYL)-1-PIPERAZINEETHANOL DIHYDROCHLORIDE 108983-83-1 C19H26Cl2N2O
2-Piperazine-4-amino-6,7-dimethoxyquinazoline 2-Piperazine-4-amino-6,7-dimethoxyquinazoline 60547-97-9 C14H19N5O2
N-ACETYL-4-BENZOQUINONE IMINE N-ACETYL-4-BENZOQUINONE IMINE 50700-49-7 C8H7NO2
Card-20(22)-enolid, 3-[(O-2,6-Dideoxy-β-D-ribo-hexopyranosyl-(1-4)-O-2,6-dideoxy-β-D-ribo-hexopyranosyl-(1-4)-O-2,6-dideoxy-β-D-ribo-hexopyranosyl-(1-4)-2,6-dideoxy-β-D-ribo-hexopyranosyl)oxy]-12,14-dihydroxy-, (3β,5β,12β)- Card-20(22)-enolid, 3-[(O-2,6-Dideoxy-β-D-ribo-hexopyranosyl-(1-4)-O-2,6-dideoxy-β-D-ribo-hexopyranosyl-(1-4)-O-2,6-dideoxy-β-D-ribo-hexopyranosyl-(1-4)-2,6-dideoxy-β-D-ribo-hexopyranosyl)oxy]-12,14-dihydroxy-, (3β,5β,12β)- 31539-05-6 C47H74O17
Sugammadex sodium Impurity 51 Sugammadex sodium Impurity 51
Sugammadex sodium Impurity 42 Sugammadex sodium Impurity 42
Org49095 Org49095 2412952-95-3 C71H111NaO48S8
Clopidogrel Impurity 55 Clopidogrel Impurity 55
Cabozantinib impurity 43 Cabozantinib impurity 43
Cabozantinib impurity 75 Cabozantinib impurity 75
Cabozantinib impurity 73 Cabozantinib impurity 73
Canagliflozin Impurity 69 Canagliflozin Impurity 69
Dapoxetine impurity 65 Dapoxetine impurity 65
Dapoxetine impurity 59 Dapoxetine impurity 59
PeraMpanel PeraMpanel 380919-34-6 C23H17N3O2
Empagliflozin Impurity 83 Empagliflozin Impurity 83
Ambroxol Imp.O Ambroxol Imp.O 1807328-39-7 C13H12Br2N2O
Olopatadine Impurity 10 HBr Olopatadine Impurity 10 HBr 4174-83-8 C22H26Br2NP
Iohexol Impurity Q Iohexol Impurity Q
Diphenidol Impurity 2 Diphenidol Impurity 2 63645-18-1 C16H17ClO
Peramivir Chlorinated Impurity Peramivir Chlorinated Impurity
Brivaracetam Impurity 999 Brivaracetam Impurity 999
Dasatinib impurity 48 Dasatinib impurity 48
Pemetrexed Impurity 120 Pemetrexed Impurity 120
Ticagrelor Impurity 101 Ticagrelor Impurity 101
4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane 4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane
1-(3-((2,4-dimethylphenyl)thio)phenyl)piperazine hydrochloride 1-(3-((2,4-dimethylphenyl)thio)phenyl)piperazine hydrochloride 2137793-92-9
(R)-(-)-2-AMINOBUTANAMIDE HYDROCHLORIDE, 97% (R)-(-)-2-AMINOBUTANAMIDE HYDROCHLORIDE, 97% 103765-03-3 C4H11ClN2O
Flomoxef Impurity 20 Sodium Salt Flomoxef Impurity 20 Sodium Salt 2095697-77-9 C15H18F2N6O7S2
((2R,3S,4R)-3,4,5-trihydroxytetrahydrofuran-2-yl)methyl isobutyrate ((2R,3S,4R)-3,4,5-trihydroxytetrahydrofuran-2-yl)methyl isobutyrate 2591381-21-2 C9H16O6
3-Thiophenecarboxylic acid, 4-(bromomethyl)-2-[[(2,6-difluorophenyl)methyl](propoxycarbonyl)amino]-5-(4-nitrophenyl)-, ethyl ester 3-Thiophenecarboxylic acid, 4-(bromomethyl)-2-[[(2,6-difluorophenyl)methyl](propoxycarbonyl)amino]-5-(4-nitrophenyl)-, ethyl ester 2591260-07-8 C25H23BrF2N2O6S
Cyclohexanecarboxylic acid, 2-[[[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl]amino]carbonyl]-, (1R,2S)-rel- Cyclohexanecarboxylic acid, 2-[[[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl]amino]carbonyl]-, (1R,2S)-rel- 190582-37-7 C23H32N4O3S
Ivabradine Impurity II Ivabradine Impurity II
(1R,2R,4S,5S,7r)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate (1R,2R,4S,5S,7r)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate 792155-94-3 C18H19NO4S2
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