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Structure Chemical Name CAS MF
Erlotinib Hydrochloride iMpurity 53 Erlotinib Hydrochloride iMpurity 53
(3R,4S)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4- fluorophenyl)piperidine-1-carboxylate (3R,4S)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4- fluorophenyl)piperidine-1-carboxylate 2389152-22-9 C26H24FNO5
Moxifloxacin EP Impurity K Moxifloxacin EP Impurity K
Anestagnate Anestagnate
Canagliflozin Monoacetyl Impurity Canagliflozin Monoacetyl Impurity
Etoricoxib Impurity 13 Etoricoxib Impurity 13 1817735-82-2 C25H20ClN3O3S
Mirabegron Impurity 11 Mirabegron Impurity 11 1684452-85-4 C21H24N4O2S
2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- 2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- 1217439-96-7 C14H16N2O3
Riociguat Impurtiy 2 Riociguat Impurtiy 2
Topiroxostat Impurity 9 Topiroxostat Impurity 9 577778-82-6 C13H8N6O
Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- 2254541-79-0 C28H20N2O4
Vonoprazan Impurity F Vonoprazan Impurity F
Benzoic acid, 3-(butylamino)-5-[(butylamino)sulfonyl]-4-phenoxy- Benzoic acid, 3-(butylamino)-5-[(butylamino)sulfonyl]-4-phenoxy- 28469-01-4 C21H28N2O5S
Vortioxetine Impurity 15 Vortioxetine Impurity 15 2099147-02-9 C28H34N4S2
Dapagliflozin Impurity H Dapagliflozin Impurity H
Dapoxetine Impurity C Dapoxetine Impurity C
Acetamide, N-[9-[[2-(acetyloxy)-1-(hydroxymethyl)ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]- Acetamide, N-[9-[[2-(acetyloxy)-1-(hydroxymethyl)ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]- 298197-26-9 C13 H17 N5 O6
Iodixanol Impurity Iodixanol Impurity
Topiroxostat Impurity 46 Topiroxostat Impurity 46
Topiroxostat Impurity 43 Topiroxostat Impurity 43
N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide 1643948-40-6 C17H25NO3
Regorafenib Impurity 40 Regorafenib Impurity 40
3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo-, ethyl ester 3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo-, ethyl ester 2489671-14-7 C17H18FNO5
Bisoprolol Impurity 17 Bisoprolol Impurity 17 109791-19-7 C15H23NO5
Furosemide Impurity 5 Furosemide Impurity 5 518336-22-6 C12H10ClNO3
Lumateperone Impurity 2 Lumateperone Impurity 2 313544-32-0 C16H19N3O3
Pramipexole Impurity 55 Pramipexole Impurity 55 959012-83-0 C8H11NO2
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2438857-80-6 C27H22F2N6O5
Nicergoline Impurity 01 Nicergoline Impurity 01
impurity 38 impurity 38
Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- 2227126-09-0 C16H12BrNO3
3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 18206-80-9 C14H9ClN2O
Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) 103088-58-0 C21H30O2
1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- 1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- 91797-61-4 C17H19N
2-Pyridineethanamine, N-methyl-N-nitroso- 2-Pyridineethanamine, N-methyl-N-nitroso- 32635-81-7 C8H11N3O
Peramivir Impurity 45 Peramivir Impurity 45
Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- 2512198-63-7 C19H24NO2P
1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- 1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- 313369-17-4 C16H21N3O2
Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- 57935-66-7 C23H24BrN3O3
(5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide (5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide
Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- 871266-45-4 C15H12ClNO4
Levothyroxine EP Impurity B Levothyroxine EP Impurity B 1628720-66-0 C15H11ClI3NO4
Ribavirin Imp. EP) Ribavirin Imp. EP)
Sertraline EP Impurity Sertraline EP Impurity C17H17Cl2N
Vildagliptin Related Compound G Vildagliptin Related Compound G 1616662-84-0 C12H20N4O3
3-ethyl 5-isopropyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 3-ethyl 5-isopropyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 158151-92-9 C22H29ClN2O5
Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate 1234321-81-3 C13H12F3NO3
FG-4592 intermediate 8 FG-4592 intermediate 8 1509958-20-6 C20H17NO6
Parecoxib Sodium Imp.E Parecoxib Sodium Imp.E
Trelagliptin Impurity 7 Trelagliptin Impurity 7
Pramipexole impurity II Pramipexole impurity II
tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate 1651214-74-2 C29H37N7O4
Prasugrel Impurity 4 HCl Prasugrel Impurity 4 HCl 1618107-96-2 C20H22Cl2FNO3S
Tofacitinib Impurity K Tofacitinib Impurity K
Cefmetazole impurity Cefmetazole impurity 56796-19-1 C28H27N7O5S3
3-ethylisobenzofuran-1(3H)-one 3-ethylisobenzofuran-1(3H)-one 17475-41-1 C10H10O2
Ivabradine Impurity 21 HCl Ivabradine Impurity 21 HCl 304465-03-0 C26H34N2O5
Moxifloxacin EP Impurity C HCl Moxifloxacin EP Impurity C HCl
Moxifloxacin Impurity 23 Moxifloxacin Impurity 23 855661-74-4 C21H24FN3O4
Solifenacin Related Compound 18 Solifenacin Related Compound 18 1225338-27-1 C23H26N2O2
N-(2-hydroxy-3-(4-((2-isopropoxyethoxy)methyl)phenoxy)propyl) -N-isopropylformamide N-(2-hydroxy-3-(4-((2-isopropoxyethoxy)methyl)phenoxy)propyl) -N-isopropylformamide 1447715-45-8 C19H31NO5
Tofacitinib Related Compound Tofacitinib Related Compound 1206824-85-2 C10H18ClN3O
Fluvastatin EP impurity A -G Fluvastatin EP impurity A -G 93957-58-5 C24H26FNO4
PWKRNMKZGWGSDV-UHFFFAOYSA-N PWKRNMKZGWGSDV-UHFFFAOYSA-N 1422960-88-0 C33H34ClN4+
sodium:(2S)-2-[12-ethyl-8-(hydroxymethyl)-9-oxo-2-(4-piperidin-1-ylpiperidine-1-carbonyl)oxy-11H-indolizino[1,2-b]quinolin-7-yl]-2-hydroxybutanoate sodium:(2S)-2-[12-ethyl-8-(hydroxymethyl)-9-oxo-2-(4-piperidin-1-ylpiperidine-1-carbonyl)oxy-11H-indolizino[1,2-b]quinolin-7-yl]-2-hydroxybutanoate 1329502-92-2 C33H41N4NaO7
QFJAHHNMKTWTGZ-DZAPPIOQSA-N QFJAHHNMKTWTGZ-DZAPPIOQSA-N 2045402-27-3 C35H36ClNO4S
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
BJQMFFOQQWEWAF-DGBYXFBUSA-N BJQMFFOQQWEWAF-DGBYXFBUSA-N 1709825-83-1 C31H41ClO8
(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(4-fluorophenyl)cyclopropyl)amino)-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-(((1R,2S)-2-(4-fluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol C23H29FN6O4S
(5-Ethyl-1H-imidazol-4-yl)methanol (5-Ethyl-1H-imidazol-4-yl)methanol 38603-74-6 C6H10N2O
(Z)-1-(6-methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)ethanone oxime (Z)-1-(6-methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)ethanone oxime 1810761-43-3 C15H16N2O3S
ethylidene phthalide ethylidene phthalide 61658-90-0 C10H8O2
6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl) -7-methyl-7,9-dihydro-8H-purin-8-one 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl) -7-methyl-7,9-dihydro-8H-purin-8-one 1361569-18-7 C19H15FN8O
3-トリフルオロメチル-5-(P-トリル)-1H-ピラゾール 3-トリフルオロメチル-5-(P-トリル)-1H-ピラゾール 219986-64-8 C11H9F3N2
5-メチル-3-フェニルイソオキサゾール-4-カルボン酸 5-メチル-3-フェニルイソオキサゾール-4-カルボン酸 1136-45-4 C11H9NO3
Bendamustine Impurity 26 Bendamustine Impurity 26
Canagliflozin Impurity 26 Canagliflozin Impurity 26
Edoxaban Impurity 37 Edoxaban Impurity 37 2081883-50-1 C14H27N3O3
Imatinib Impurity 10 Imatinib Impurity 10
Levofloxacin Impurity 19 Levofloxacin Impurity 19 C18H20FN3O4
Olanzapine Impurity K Olanzapine Impurity K C17H20N4S
Ticagrelor Related Compound 55 Ticagrelor Related Compound 55
Ticagrelor Related Compound 73 Ticagrelor Related Compound 73
Vildagliptin Impurity 10 Vildagliptin Impurity 10
Cefaclor Impurity 2 Cefaclor Impurity 2 722547-49-1 C17H18N2O3
Cefodizime Impurity F Cefodizime Impurity F
Olaparib Impurity F Olaparib Impurity F
Ornidazole Impurity G Ornidazole Impurity G
Pidotimod Impurity L Pidotimod Impurity L
Tadalafil Impuirty 20 Tadalafil Impuirty 20 2924098-58-6
Tenofovir Impurity 53 Tenofovir Impurity 53
(S)-3-(4-benzylphenoxy)tetrahydrofuran (S)-3-(4-benzylphenoxy)tetrahydrofuran C17H18O2
Ampicillin Ampicillin 1207726-28-0 C24H26N4O5S
ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5- carboxylate ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5- carboxylate 2375033-35-3 C18H20N2O3S
Cisatracurium besylate impurity11 Cisatracurium besylate impurity11
(3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- 2575516-61-7 C16H16N2O4
Ganciclovir EP Impurity Ganciclovir EP Impurity
Crisaborole Impurity 15 Crisaborole Impurity 15
Latamoxef impurity A Latamoxef impurity A
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