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Structure Chemical Name CAS MF
Atorvastatin Impurity F Atorvastatin Impurity F 1371615-56-3 C66H68CaF2N4O10
4(1H)-Pyrimidinone, 5-amino-6-chloro-2-(propylthio)- 4(1H)-Pyrimidinone, 5-amino-6-chloro-2-(propylthio)- 2512210-21-6 C7H10ClN3OS
Oseltamivir Impurity 23 Oseltamivir Impurity 23 2241125-39-1 C9H16N2O3
Ertapenem Impurity B(USP) Ertapenem Impurity B(USP)
Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)- Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)- 2349671-57-2 C8H17NO3
Cephalexin Impurity I Cephalexin Impurity I
Elagolix Sodium impurity1 Elagolix Sodium impurity1
6-ヒドロキシ-5-メトキシ-1-インダノン 6-ヒドロキシ-5-メトキシ-1-インダノン 90843-62-2 C10H10O3
2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoic acid 2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoic acid 1640351-46-7 C15H22N2O5
S-(-)-Tolterodine S-(-)-Tolterodine 124937-53-7 C22H31NO
1-Pyrrolidineacetamide, α-ethyl-4-(1-methylethyl)-2-oxo-, (αS,4S)- 1-Pyrrolidineacetamide, α-ethyl-4-(1-methylethyl)-2-oxo-, (αS,4S)- 357334-83-9 C11H20N2O2
Aripiprazole peroxide degradation Impurity (MW:480Da) Aripiprazole peroxide degradation Impurity (MW:480Da)
Benzenemethanol, 4-[2-(1-methylethoxy)ethoxy]- Benzenemethanol, 4-[2-(1-methylethoxy)ethoxy]- 1039828-27-7 C12H18O3
Ramipril - Isomer Impurity 1 Ramipril - Isomer Impurity 1
Flupentixol Impurity B Flupentixol Impurity B
Oseltamivir Impurity 107 Oseltamivir Impurity 107
Levosimendan Impurity 9 Levosimendan Impurity 9
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol 2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol C28H39N3O2
Benzeneacetic acid, α-(hydroxymethyl)-, 9-butyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester, [7(S)-(1α,2β,4β,5α,7β)]- (9CI) Benzeneacetic acid, α-(hydroxymethyl)-, 9-butyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester, [7(S)-(1α,2β,4β,5α,7β)]- (9CI) 14861-14-4 C20H27NO4
Fondaparinux sodium impurity 15 Fondaparinux sodium impurity 15
5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one 5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one 24021-90-7 C3H5N3O2
Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester 543699-60-1 C24H18N2O3
(2S,5R,6S)-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Diphenylmethyl Ester (2S,5R,6S)-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Diphenylmethyl Ester 74189-25-6 C21H20BrNO3S
(4R,6R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1- (4R,6R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-
ミルタザピンN-オキシド ミルタザピンN-オキシド 155172-12-6 C17H19N3O
Ticagrelor Impurity 94 Ticagrelor Impurity 94
Apremilast impurity 18 Apremilast impurity 18 1407140-51-5 C20H32N2O6S
Toltrazuril Impurity 1 Toltrazuril Impurity 1
Dapoxetine iMpurity 6 Dapoxetine iMpurity 6
5-METHOXY-2-(METHYLTHIO)BENZIMIDAZOLE 5-METHOXY-2-(METHYLTHIO)BENZIMIDAZOLE 91168-31-9 C9H10N2OS
Linagliptin Impurity 50 Linagliptin Impurity 50
Rosuvastatin EP Impurity L Rosuvastatin EP Impurity L
3-ヒドロキシ-2,5-ジメチル-4-ピリジンメタノール 3-ヒドロキシ-2,5-ジメチル-4-ピリジンメタノール 4811-03-4 C8H11NO2
AlviMopan iMpurity AlviMopan iMpurity
7-DeMethyl Ivabradine 7-DeMethyl Ivabradine 304462-60-0 C26H34N2O5
Etoposide Impurity 5 Etoposide Impurity 5
Aprepitant EP Impurity C Aprepitant EP Impurity C 2208275-99-2 C29H25F7N4O3
N1,N4-bis((R)-1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)succinamide N1,N4-bis((R)-1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)succinamide C40H42F2N10O6
sofosBuvir impurity 1 sofosBuvir impurity 1
Acarbose Impurity E Acarbose Impurity E
Emtricitabine Impurity RRO Emtricitabine Impurity RRO
methyl 2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate methyl 2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate 1181267-33-3 C13H17ClO2
4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid 4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid C17H13ClN2O4
Glycopyrrolate Erythro Isomer Glycopyrrolate Erythro Isomer 201667-20-1
Linagliptin Impurity 49 Linagliptin Impurity 49
Ibrutinib Impurity 12 Ibrutinib Impurity 12
methyl (41S,12R,13aR)-13a-ethyl-12- hydroxy-2,3,41,5,6,12,13,13aoctahydro- 1H-indolo[3,2,1- de]pyrido[3,2,1-ij][1,5]naphthyridine- 12-carboxylate methyl (41S,12R,13aR)-13a-ethyl-12- hydroxy-2,3,41,5,6,12,13,13aoctahydro- 1H-indolo[3,2,1- de]pyrido[3,2,1-ij][1,5]naphthyridine- 12-carboxylate 83508-83-2 C21H26N2O3
Celecoxib Impurity 2 Celecoxib Impurity 2 948293-46-7 C11H9F3N2
Fluconazole Fluconazole 163921-62-8 C13H10F2N6
Avatrombopag Impurity 55 Avatrombopag Impurity 55 1039808-70-2 C14H16Cl2N2O3
1-[(1,1-ジメチルエチル)アミノ]-3-[[4-(4-モルホリニル)-1,2,5-チアジアゾール-3-イル]オキシ]-2-プロパノール・マレイン酸 1-[(1,1-ジメチルエチル)アミノ]-3-[[4-(4-モルホリニル)-1,2,5-チアジアゾール-3-イル]オキシ]-2-プロパノール・マレイン酸 57073-55-9 C17H28N4O7S
Cinacalcet Impurity D Cinacalcet Impurity D 1271930-15-4 C32H31F6N
Tafluprost Impurity 19 Tafluprost Impurity 19
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester 21881-78-7 C21H26N2O6
Emtricitabine Impurity F Emtricitabine Impurity F
Rocuronium bromide Impurity J Rocuronium bromide Impurity J C32H53BrN2O4
9-L-β-Aspartic acid-daptoMycin 9-L-β-Aspartic acid-daptoMycin 123180-72-3 C72H101N17O26
1-[2-(2,4-ジフルオロフェニル)グリシジル]-1H-1,2,4-トリアゾール 1-[2-(2,4-ジフルオロフェニル)グリシジル]-1H-1,2,4-トリアゾール 86386-76-7 C11H9F2N3O
Doxofylline Impurity 22 Doxofylline Impurity 22
Irinotecan Impurity H Irinotecan Impurity H
Carboprost Trometamol Impurity A Carboprost Trometamol Impurity A
8-Methoxy Entecavir 8-Methoxy Entecavir 2203740-23-0 C13H17N5O4
(S)-タムスロシン塩酸塩 (S)-タムスロシン塩酸塩 106463-19-8 C20H28N2O5S.ClH
Maleic Acid Maleic Acid 2170020-79-6 C21H20FN3O6S
Ozagrel impurity E Ozagrel impurity E
Esomeprazole Impurity 6 Esomeprazole Impurity 6
Nirmatrelvir Impurity 2 Nirmatrelvir Impurity 2
Bumetanide iMpurity F Bumetanide iMpurity F
Emtricitabine Impurity CFTU2 Emtricitabine Impurity CFTU2
Sitagliptin Impurity 10 Sitagliptin Impurity 10 1253056-01-7 C16H14F6N4O2
Tamsulosin impurity E Tamsulosin impurity E C20H28N2O5S
Atracurium Impurity N Atracurium Impurity N
Posaconazole Impurity 30 Posaconazole Impurity 30
(E)-1-(4-(2-Methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-yl)ethanone (E)-1-(4-(2-Methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-yl)ethanone 935272-10-9 C18H20N4OS
2,4-Pyrimidinediol, 6-chloro- (9CI) 2,4-Pyrimidinediol, 6-chloro- (9CI) 107577-09-3 C4H3ClN2O2
Apremilast Impurity SY Apremilast Impurity SY
Clonidine Related Compound A (1-acetyl-2-(2,6-dichlorophenylimino)imidazolidine) Clonidine Related Compound A (1-acetyl-2-(2,6-dichlorophenylimino)imidazolidine) 54707-71-0 C11H11Cl2N3O
Posaconazole Impurity 65 Posaconazole Impurity 65 2947625-11-6 C60H69F2N13O7
Canagliflozin Impurities 999 Canagliflozin Impurities 999
methyl (41R,12S,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,12S,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 38990-17-9 C21H26N2O3
Olsalazine Impurity A Olsalazine Impurity A
Erythromycin impurity D Erythromycin impurity D
3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide 3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide
Desfluoro Pitavastatin Calcium Desfluoro Pitavastatin Calcium 847849-67-6 C25H25NO4
2-アミノ-4-メチル-6-(3-ピリジル)ピリミジン 2-アミノ-4-メチル-6-(3-ピリジル)ピリミジン 90916-52-2 C10H10N4
Dapagliflozin Impurity F Dapagliflozin Impurity F
Doripenem Impurity 5 Doripenem Impurity 5
Amlodipine N-Lactoside Amlodipine N-Lactoside 749864-27-5 C32H45ClN2O15
Diazepam Impurity 1 Diazepam Impurity 1 36020-94-7 C16H15ClN2O2
Cefazolin Impurity EP-I Cefazolin Impurity EP-I
M-ISOBUTYL IBUPROFEN M-ISOBUTYL IBUPROFEN 66622-47-7 C13H18O2
Sofosbuvir Impurity27 Sofosbuvir Impurity27
(E)-Olopatadine (E)-Olopatadine 113806-06-7 C21H23NO3
Loteprednol Etabonate Ethyl Ester (Prednisolone 20-Ethyl Ester) Loteprednol Etabonate Ethyl Ester (Prednisolone 20-Ethyl Ester) 182069-19-8 C25H34O7
Methanone, [5-methoxy-2-(2H-1,2,3-triazol-2-yl)phenyl][(2S)-2-methyl-2-(7-methyl-1H-benzimidazol-2-yl)-1-pyrrolidinyl]- Methanone, [5-methoxy-2-(2H-1,2,3-triazol-2-yl)phenyl][(2S)-2-methyl-2-(7-methyl-1H-benzimidazol-2-yl)-1-pyrrolidinyl]- 1505484-96-7 C23H24N6O2
Atracurium Impurity 28 Atracurium Impurity 28
Ropivacaine impurity Ropivacaine impurity 1786518-57-7 C13H16N2O3
Rosuvastatin Impurity 75 Rosuvastatin Impurity 75
6'-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridin]-5-amine 6'-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridin]-5-amine C18H17N3O2S
impurity 38 impurity 38
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