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Structure Chemical Name CAS MF
Peramivir Impurity D Peramivir Impurity D
1-(3-amino-4-(benzyloxy)phenyl)-2-((1-(4-methoxyphenyl)propan-2-yl)amino)ethan-1-ol 1-(3-amino-4-(benzyloxy)phenyl)-2-((1-(4-methoxyphenyl)propan-2-yl)amino)ethan-1-ol 345288-56-4 C25H30N2O3
Istradefylline iMpurity Istradefylline iMpurity
Tenofovir Impurity 76 Tenofovir Impurity 76
Dapagliflozin Impurity 47 Dapagliflozin Impurity 47
Trelagliptin Impurity 24 Trelagliptin Impurity 24
Dapagliflozin Impurity 25 Dapagliflozin Impurity 25
Itraconazole iMpurity 6 Itraconazole iMpurity 6
Cefaclor Impurity 3 Cefaclor Impurity 3
Acyclovir Impurity 12 Acyclovir Impurity 12
TerButaline Ep Impurity B TerButaline Ep Impurity B
1,2-BenzenedicarboxaMide, N1,N2-bis[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]- 1,2-BenzenedicarboxaMide, N1,N2-bis[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]- 1365267-36-2 C36H36N6O10
Doxofylline Impurity 20 Doxofylline Impurity 20
(E)-4-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3- yl)methyl)(methyl)amino)-4-oxobut-2-enoic acid (E)-4-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3- yl)methyl)(methyl)amino)-4-oxobut-2-enoic acid C21H18FN3O5S
Apixaban Impurity 39 Apixaban Impurity 39
Dapoxetine impurity 20 Dapoxetine impurity 20
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
Gefitinib impurity M Gefitinib impurity M
(S)-Indacaterol (S)-Indacaterol 1384188-70-8 C24H29ClN2O3
Cabozantinib impurity 38 Cabozantinib impurity 38
4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane 4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane
Etoposide Impurity 2 Etoposide Impurity 2
Silodosin Carboxylic Acid Impurity Silodosin Carboxylic Acid Impurity 1431373-77-1 C25H31F3N2O5
Amlodipine Impurity 27 Disodium Salt Amlodipine Impurity 27 Disodium Salt 120289-11-4 C19H20ClNO7
Caspofungin impurit 2 Caspofungin impurit 2
1-benzyl-2-methyl-1H-imidazole-carbaldehyde 1-benzyl-2-methyl-1H-imidazole-carbaldehyde 39269-74-4 C12H12N2O
Nicergoline Impurity M Nicergoline Impurity M
3-cyclopropyl-1-(2-fluoro-4-iodophenyl)-5-hydroxy-6,8-diMethylpyrido[2,3-d]pyriMidine-2,4,7(1H,3H,8H)-trione 3-cyclopropyl-1-(2-fluoro-4-iodophenyl)-5-hydroxy-6,8-diMethylpyrido[2,3-d]pyriMidine-2,4,7(1H,3H,8H)-trione 871700-24-2 C18H15FIN3O4
Oxytocin oxide impurity reference substance Oxytocin oxide impurity reference substance
CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)- CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)- 1314324-00-9 C9H11ClFN
Ticagrelor Ticagrelor 1265919-24-1 C12H21NO5
Vardenafil Oxopiperazine (IMpurity) Vardenafil Oxopiperazine (IMpurity) 448184-58-5 C21H26N6O5S
3-(((3R)-3-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-2-(4-fluorophenyl)-1,4-dioxan-2-ylamino)methyl)-1H-1,2,4-triazol-5(4H)-one 3-(((3R)-3-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-2-(4-fluorophenyl)-1,4-dioxan-2-ylamino)methyl)-1H-1,2,4-triazol-5(4H)-one
EzetiMibe IMpurity 1 EzetiMibe IMpurity 1 190595-66-5 C24H22FNO3
Ticagrelor Impurity 64 Ticagrelor Impurity 64
Olsalazine Impurity B Olsalazine Impurity B
EzetiMibe IMpurity B EzetiMibe IMpurity B
Peramivir Intermediate impurity 1 Peramivir Intermediate impurity 1
Celecoxib iMpurity-B Celecoxib iMpurity-B
Empagliflozin Impurity 33 Empagliflozin Impurity 33
Tofacitinib Impurity 88 Tofacitinib Impurity 88
Ribavirin Impurity 55 Ribavirin Impurity 55 119240-35-6 C11H16O8
Tofacitinib Impurity X Tofacitinib Impurity X
Ixazomib Impurity Ixazomib Impurity
(1R,2S)-2-(3,4-ジフルオロフェニル)シクロプロパンアミン塩酸塩 (1R,2S)-2-(3,4-ジフルオロフェニル)シクロプロパンアミン塩酸塩 1402222-66-5 C9H10ClF2N
Apremilast Apremilast 1384439-80-8 C17H16N2O6S
Cabozantinib Impurity B Cabozantinib Impurity B
ACT 373898 ACT 373898 1433875-14-9 C15H17BrN4O5S
Posaconazole DiastereoisoMer interMediate 2 Posaconazole DiastereoisoMer interMediate 2 166583-12-6 C21H21F2N3O4S
N-[4-[[(2,4-ジアミノプテリジン-6-イル)メチル]メチルアミノ]ベンゾイル]-D-グルタミン酸 N-[4-[[(2,4-ジアミノプテリジン-6-イル)メチル]メチルアミノ]ベンゾイル]-D-グルタミン酸 51865-79-3 C20H22N8O5
1-ベンジル-4-(5,6-ジメトキシ-1-オキソインダン-2-Yリンデンメチル)ピペリジン 1-ベンジル-4-(5,6-ジメトキシ-1-オキソインダン-2-Yリンデンメチル)ピペリジン 120014-07-5 C24H27NO3
3-bromo-5-((1-((4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl) methyl)-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridin-3-yl)oxy) benzonitrile 3-bromo-5-((1-((4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl) methyl)-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridin-3-yl)oxy) benzonitrile 2994626-87-6 C17H11BrF3N5O3
Fosaprepitant Impurity 4 Fosaprepitant Impurity 4 1523569-85-8 C37H34F7N4O6P
α,α-Bis[2-(dimethylamino)ethyl]- α,α-Bis[2-(dimethylamino)ethyl]- 1246816-57-8 C16H24ClN3
vildagliptin Impurity E vildagliptin Impurity E 1789703-37-2 C17H25N3O2
15(R)-17-PHENYL TRINOR PROSTAGLANDIN F2ALPHA 15(R)-17-PHENYL TRINOR PROSTAGLANDIN F2ALPHA 41639-71-8 C23H32O5
1H-Purin-2-amine, 6,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-N-(triphenylmethyl)- 1H-Purin-2-amine, 6,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-N-(triphenylmethyl)- 2097265-84-2 C52H49N5O3
1,1'-(1,4,8,11-tetraazacyclotetradecane-1,11-diyl)bis(2,2,2- trifluoroethan-1-one) dihydrochloride 1,1'-(1,4,8,11-tetraazacyclotetradecane-1,11-diyl)bis(2,2,2- trifluoroethan-1-one) dihydrochloride C14H24Cl2F6N4O2
(1R,3S,4S)-エンテカビル (1R,3S,4S)-エンテカビル 1333204-94-6 C12H15N5O3
(S)-2-(2-oxo-4-propyl-2,5-dihydro-1H-pyrrol-1-yl)butanamide (S)-2-(2-oxo-4-propyl-2,5-dihydro-1H-pyrrol-1-yl)butanamide 357338-13-7 C11H18N2O2
Celecoxib Impurity Celecoxib Impurity 170570-09-9 C18H16F3N3O2S
IverMectin B1 Aglycon IverMectin B1 Aglycon 73162-95-5 C34H50O8
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
Peramivir Impurity 17 Peramivir Impurity 17
Selegiline Impurity (224Da) Selegiline Impurity (224Da)
Fulvestrant EP Impurity E Fulvestrant EP Impurity E 2170200-14-1 C32H45F5O3S
4',6'-Dinitro-2'-phenoxymethanesulfonanilide 4',6'-Dinitro-2'-phenoxymethanesulfonanilide 51765-56-1 C13H11N3O7S
5-(2,2-diMethyl-4H-benzo[d][1,3]dioxin-6-yl)oxazolidin-2-one 5-(2,2-diMethyl-4H-benzo[d][1,3]dioxin-6-yl)oxazolidin-2-one 452340-96-4 C13H15NO4
Desmethoxy Fluvoxamine Desmethoxy Fluvoxamine 1217216-82-4 C14H19F3N2O
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
Cefminox sodium impurities Ⅲ Cefminox sodium impurities Ⅲ
methyl (Z)-3-(((4-(2-(4-(2-((4-((((Z)-6-(methoxymethyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)amino)phenyl)(methyl)amino)-2-oxoethyl)piperazin-1-yl)-N-methylacetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate methyl (Z)-3-(((4-(2-(4-(2-((4-((((Z)-6-(methoxymethyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)amino)phenyl)(methyl)amino)-2-oxoethyl)piperazin-1-yl)-N-methylacetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate 2097505-01-4 C34H37N5O5
5-Chlorodescyano CitalopraM Oxalate 5-Chlorodescyano CitalopraM Oxalate 64169-46-6 C21H23ClFNO5
Posaconazole Impurity 51 Posaconazole Impurity 51 357189-94-7 C37H40F2N8O5
Vonoprazan Impurity 57 Vonoprazan Impurity 57
Moxifloxacin Impurity 47 Moxifloxacin Impurity 47
rac a-Hydroxy Ibuprofen rac a-Hydroxy Ibuprofen 60057-62-7 C13H18O3
rac-2,2'-(((3aR,3a'R,4R,4'R,6S,6aS,6'S,6a'S)-((5-nitro-2-(propylthio)pyrimidine-4,6-diyl)bis(azanediyl))bis(2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxole-6,4-diyl))bis(oxy))bis(ethan-1-ol) rac-2,2'-(((3aR,3a'R,4R,4'R,6S,6aS,6'S,6a'S)-((5-nitro-2-(propylthio)pyrimidine-4,6-diyl)bis(azanediyl))bis(2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxole-6,4-diyl))bis(oxy))bis(ethan-1-ol) 1882095-50-2 C27H43N5O10S
Isavuconazole Impurity 11 Isavuconazole Impurity 11 2732924-99-9 C10H16ClN3O2
rac-(R*)-4-アミノ-N,N,N-トリメチル-2-ヒドロキシ-4-オキソブタン-1-アミニウム·クロリド rac-(R*)-4-アミノ-N,N,N-トリメチル-2-ヒドロキシ-4-オキソブタン-1-アミニウム·クロリド 5261-99-4 C7H18ClN2O2+
(R)-Zanubrutinib (R)-Zanubrutinib 1691249-44-1 C27H29N5O3
Azilsartan iMpurity G Azilsartan iMpurity G
(5R)-ethyl 5-((1R,3aS,7aR)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldiMethylsilyloxy)-2-Methylenecyclohexylidene)ethyl)-7a-Methyloctahydro-1H-inden-1-yl)hexanoate (5R)-ethyl 5-((1R,3aS,7aR)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldiMethylsilyloxy)-2-Methylenecyclohexylidene)ethyl)-7a-Methyloctahydro-1H-inden-1-yl)hexanoate 169900-32-7 C39H70O4Si2
Arbidol Impurity I Arbidol Impurity I 153633-10-4 C22H24Br2N2O3S
methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate
Oseltamivir Impurity 36 Oseltamivir Impurity 36
(4-hydroxy-1-(hydroxymethyl)-7-phenoxyisoquinoline-3-carbonyl)glycine (4-hydroxy-1-(hydroxymethyl)-7-phenoxyisoquinoline-3-carbonyl)glycine
2-(DiethylaMino)-N-(2,3-diMethylphenyl)acetaMide Hydrochloride 2-(DiethylaMino)-N-(2,3-diMethylphenyl)acetaMide Hydrochloride 857170-72-0 C14H23ClN2O
Aprepitant impurity 2 Aprepitant impurity 2
Rosuvastatin Impurity 111 Rosuvastatin Impurity 111
DiazepaM IMpurity F DiazepaM IMpurity F 31269-33-7 C16H13ClN2O
S,S-Efinaconazole S,S-Efinaconazole 164650-45-7 C18H22F2N4O
Metronidazole Impurity 12 Metronidazole Impurity 12
Cefdinir impurity TU mixture Cefdinir impurity TU mixture
(R)-1-(3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one (R)-1-(3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one 1839099-22-7 C25H26N6O2
Afatinib IMpurity A Afatinib IMpurity A
Tirofiban Impurity 19 Tirofiban Impurity 19 158808-75-4 C18H28N2O3
4-[[3-Chloro-4-(2-pyridinylmethoxy)phenyl]amino]-7-ethoxy-6-[(1-methyl-2-pyrrolidinylidene)amino]-3-quinolinecarbonitrile 4-[[3-Chloro-4-(2-pyridinylmethoxy)phenyl]amino]-7-ethoxy-6-[(1-methyl-2-pyrrolidinylidene)amino]-3-quinolinecarbonitrile 1144516-21-1 C29H27ClN6O2
Afatinib Impurity 56 Afatinib Impurity 56
Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3- (1-ethylpropoxy)cyclohexanecarboxylate Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3- (1-ethylpropoxy)cyclohexanecarboxylate 2124269-41-4 C16H29N5O4
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