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Structure Chemical Name CAS MF
Aztreonam Impurity 9 Aztreonam Impurity 9
EMpagliflozin iMpurity 6 EMpagliflozin iMpurity 6 1620758-21-5 C32H37ClO12
Dapoxetine impurity 59 Dapoxetine impurity 59
5-Methoxy-2-Hydroxy Benzimidazole 5-Methoxy-2-Hydroxy Benzimidazole 208-75-3 C13H9N
Tirofiban Impurity E Tirofiban Impurity E
2-フルオロビフェニル-4-カルボン酸 2-フルオロビフェニル-4-カルボン酸 137045-30-8 C13H9FO2
Cabozantinib Impurity 6 Cabozantinib Impurity 6
Ertapenem Impurity D(USP) Ertapenem Impurity D(USP)
Vonoprazan Impurity Z-1 Vonoprazan Impurity Z-1
Bumetanide Impurity 22 Bumetanide Impurity 22
Canagliflozin Impurity 65 Canagliflozin Impurity 65
Avatrombopag Impurity 65 Avatrombopag Impurity 65
Dapagliflozin Impurity (MW: 425Da) Dapagliflozin Impurity (MW: 425Da)
(R)-Lercanidipine Hydrochloride (R)-Lercanidipine Hydrochloride 187731-34-6 C36H42ClN3O6
1-Pyrrolidinecarboxylic acid, 3,3'-dithiobis[5-[[(3-carboxyphenyl)amino]carbonyl]-, 1,1'-bis[(4-nitrophenyl)methyl] ester, (3S,3'S,5S,5'S)- 1-Pyrrolidinecarboxylic acid, 3,3'-dithiobis[5-[[(3-carboxyphenyl)amino]carbonyl]-, 1,1'-bis[(4-nitrophenyl)methyl] ester, (3S,3'S,5S,5'S)- 1401451-19-1 C40H36N6O14S2
10-trans-Atorvastatin Acetonide tert-Butyl Ester 10-trans-Atorvastatin Acetonide tert-Butyl Ester 1105067-90-0 C40H47FN2O5
Aztreonam Impurity 4 Aztreonam Impurity 4
N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine
4-メチル-1-(3-メチル-2-ピリジニル)-2-フェニルピペラジン 4-メチル-1-(3-メチル-2-ピリジニル)-2-フェニルピペラジン 191546-94-8 C17H21N3
2-(3-cyano-4-isopropoxyphenyl)-4-methylthiazole-5-carboxylic acid 2-(3-cyano-4-isopropoxyphenyl)-4-methylthiazole-5-carboxylic acid 144060-52-6 C15H14N2O3S
フェロジピン3,5-ジメチルエステル フェロジピン3,5-ジメチルエステル 91189-59-2 C17H17Cl2NO4
2-クロロメチル-3,5-ジメチルピリジン-4-オール 2-クロロメチル-3,5-ジメチルピリジン-4-オール 220771-03-9 C8H10ClNO
Cefminox Impurity 6 Cefminox Impurity 6
Clopidogrel IMpurity 1 Clopidogrel IMpurity 1 C15H14ClNO2S
Verapamil Related Compound B (4-[(3,4-Dimethoxyphenethyl)(methyl)amino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutanenitrile hydrochloride) Verapamil Related Compound B (4-[(3,4-Dimethoxyphenethyl)(methyl)amino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutanenitrile hydrochloride) 1794-55-4 C26H37ClN2O4
Uridine, 4-oxime, 5'-(2-methylpropanoate), (4E)- Uridine, 4-oxime, 5'-(2-methylpropanoate), (4E)- 2492423-30-8 C13H19N3O7
Ampicillin Ampicillin 1207726-28-0 C24H26N4O5S
Everolimus impurity C Everolimus impurity C
(βR)-N-(ベンジルオキシカルボニル)-β-ヒドロキシ-3,4-ビス-(ベンジルオキシ)-L-フェニルアラニン (βR)-N-(ベンジルオキシカルボニル)-β-ヒドロキシ-3,4-ビス-(ベンジルオキシ)-L-フェニルアラニン 55382-14-4 C31H29NO7
2-(5H-chromeno[2,3-b]pyridin-7-yl)acrylic acid 2-(5H-chromeno[2,3-b]pyridin-7-yl)acrylic acid 52549-22-1 C15H11NO3
Apixaban Impurity 33 Apixaban Impurity 33 1686149-78-9 C21H27N3O3
(4-Chloro-3,5-diMethylpyridin-2-yl)Methanol Hydrochloride (4-Chloro-3,5-diMethylpyridin-2-yl)Methanol Hydrochloride 143016-70-0 C8H11Cl2NO
Nicorandil Impurity 4 Dinitrate Nicorandil Impurity 4 Dinitrate 1798026-96-6 C16H17N5O5
1,4-dihydro-2,6-dimethyl-4-(3'-nitrophenyl)-pyridine-3,5-dicarboxylic acid monoisopropyl ester 1,4-dihydro-2,6-dimethyl-4-(3'-nitrophenyl)-pyridine-3,5-dicarboxylic acid monoisopropyl ester 116983-17-6 C18H20N2O6
LCZ696(valsartan + sacubitril) impurity 31 LCZ696(valsartan + sacubitril) impurity 31
Tacrolimus Impurity B Tacrolimus Impurity B
Dexmedetomidine-025 Dexmedetomidine-025 2250242-52-3 C20H22N2
Bromhexine ImpurityABCDEFGHJKL Bromhexine ImpurityABCDEFGHJKL
Vardenafil Impurity 15 Vardenafil Impurity 15 448184-54-1 C19H23N5O6S
Fasudil iMpurity E Fasudil iMpurity E
4-hydroxypyrrolidin-2-one 4-hydroxypyrrolidin-2-one 96820-00-7 C4H7NO2
(S)-2-ヒドロキシ-2-[[9,11-ジヒドロ-8-(ヒドロキシメチル)-9-オキソインドリジノ[1,2-b]キノリン]-7-イル]酪酸ナトリウム (S)-2-ヒドロキシ-2-[[9,11-ジヒドロ-8-(ヒドロキシメチル)-9-オキソインドリジノ[1,2-b]キノリン]-7-イル]酪酸ナトリウム 25387-67-1 C20H17N2NaO5
Ceftriaxone Sodium impurity 4 Ceftriaxone Sodium impurity 4
Canagliflozin iMpurity Canagliflozin iMpurity 2648347-42-4
(1R,5S)-1-phenyl-3-oxabicyclo[3.1.0]hexan-2-one (1R,5S)-1-phenyl-3-oxabicyclo[3.1.0]hexan-2-one 96847-52-8 C11H10O2
Cinacalcet Impurity 18 Cinacalcet Impurity 18
EMpagliflozin iMpurity 12 EMpagliflozin iMpurity 12
(E)-8-(3,4-dihydroxystyryl) (E)-8-(3,4-dihydroxystyryl)
Posaconazole Impurity 38 Posaconazole Impurity 38 2941410-71-3 C39H44FN11O4
Dapoxetine Impurity F Dapoxetine Impurity F
Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- 2227126-09-0 C16H12BrNO3
((3R,4S)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate ((3R,4S)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate 1258537-32-4 C20H24FNO3S
Tofacitinib Impurity O Tofacitinib Impurity O
Silodosin Silodosin 160970-64-9 C25H32F3N3O4
4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid 4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid 158144-54-8 C14H12O3
Avatrombopag Impurity 49 Avatrombopag Impurity 49
Meloxicam Impurity 1 HCl Meloxicam Impurity 1 HCl 929568-25-2 C4H7ClN2O
Erlotinib Imp.15 Erlotinib Imp.15
Cefodizime Impurity F Cefodizime Impurity F
(S)-4-(4-((3-amino-2-hydroxypropyl)amino)phenyl)morpholin-3-one hydrochloride (S)-4-(4-((3-amino-2-hydroxypropyl)amino)phenyl)morpholin-3-one hydrochloride 1403383-55-0 C13H20ClN3O3
Sofosbuvir Impurity 10 Sofosbuvir Impurity 10
Dobutamine Impurity 15 Dobutamine Impurity 15
Empagliflozin Impurity 44 Empagliflozin Impurity 44
Lidocaine EP Impurity G Lidocaine EP Impurity G 42459-30-3 C13H20N2O
7-Despropyl 7-Methyl Vardenafil 7-Despropyl 7-Methyl Vardenafil 2169247-39-4 C21H28N6O4S
Indacaterol Impurity 3 Indacaterol Impurity 3 2250243-41-3 C26H32N2O3
Nintedanib Impurity 25 Nintedanib Impurity 25
Amifostine Impurity 8 Amifostine Impurity 8 66487-25-0 C5H10N2O
Axitinib Impurity 24 Axitinib Impurity 24
Cytarabine Impurity 10 Cytarabine Impurity 10 32830-01-6 C9H11N3O4
Rosuvastatin EP impurity A Rosuvastatin EP impurity A 1714147-50-8 C25H34FN3NaO7S*
Dolutegravir Impurity 24 Dolutegravir Impurity 24
Roxadustat Impurity 15 Roxadustat Impurity 15
Dapagliflozin Impurity 46 Dapagliflozin Impurity 46
Elagolix Sodium impurity4 Elagolix Sodium impurity4 2248628-92-2 C19H21NO4S
Benzylpenicillin EP(CP) Impurity F Benzylpenicillin EP(CP) Impurity F
32-Carboxycyanocobalamin 32-Carboxycyanocobalamin 121483-62-3 C63H87CoN13O15P
BROMOCRIPTINE IMPURITY A BROMOCRIPTINE IMPURITY A C32H40BrN5O5
Methotrexate IMpurity C Methotrexate IMpurity C
Levofloxacin Impurity 16 Levofloxacin Impurity 16 C18H20FN3O4
Beprostatin impurity 3 Beprostatin impurity 3
Cefminox Sodium Impurity 8 Cefminox Sodium Impurity 8
5-(2-Fluorophenyl)-1-(3-pyridinylsulfonyl)-1H-pyrrole-3-carboxylic acid 5-(2-Fluorophenyl)-1-(3-pyridinylsulfonyl)-1H-pyrrole-3-carboxylic acid 1883595-37-6 C16H11FN2O4S
DecitaBine Impurity 12 DecitaBine Impurity 12
O-DesMethyl Urapidil O-DesMethyl Urapidil 91453-03-1 C19H27N5O3
7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl- 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl- 1829588-57-9 C17H19ClN4O2
Afatinib Impurity 66 Afatinib Impurity 66
Spectinomycin Impurity A Spectinomycin Impurity A
Dapagliflozin Impurity 32 Dapagliflozin Impurity 32 1528636-07-8 C22H27ClO7
Esomeprazole Impurity Esomeprazole Impurity
(2RS)-2-Hydroxy-2-[4-(2-Methylpropyl)phenyl]propanoic Acid (2RS)-2-Hydroxy-2-[4-(2-Methylpropyl)phenyl]propanoic Acid C13H18O3
Nicorandil Impurity 3 Nicorandil Impurity 3
4-Amino-1-3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-a-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone 4-Amino-1-3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-a-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone 134790-40-2 C23H19F2N3O6
Dapoxetine Impurity A Dapoxetine Impurity A
Vonoprazan Impurity Z-4 Vonoprazan Impurity Z-4
Pregabalin Impurity 15 Pregabalin Impurity 15
Moxifloxacin Impurity 5 Moxifloxacin Impurity 5
Ticagrelor Sulfone Ticagrelor Sulfone 274693-39-9 C23H28F2N6O6S
2-Benzothiazolamine 2-Benzothiazolamine
Peramivir Intermediate Impurity 44 Peramivir Intermediate Impurity 44
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