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Structure Chemical Name CAS MF
Edoxaban Impurity 20 (1R,2R,4S) Edoxaban Impurity 20 (1R,2R,4S) 1928729-31-0 C16H29N3O7
Acyclovir Impurity 11 Acyclovir Impurity 11
Esomeprazole Impurity 43 Esomeprazole Impurity 43 2826359-93-5
Azacitidine Impurity 1 Azacitidine Impurity 1
4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid 4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid 1097777-60-0 C13H9NO5
Edoxaban impurity ABCDEFGHJKL Edoxaban impurity ABCDEFGHJKL
N-ForMyl-D-ribofuranosyl-3-guanylurea (α/β-Mixture) N-ForMyl-D-ribofuranosyl-3-guanylurea (α/β-Mixture) 686299-20-7 C8H14N4O6
(3S,8R,9S,12S)-3,12-Bis(1,1-diMethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylMethyl)-6-[[4-(2-pyridinyl)phenyl]Methyl]-,2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-DiMethyl Ester (3S,8R,9S,12S)-3,12-Bis(1,1-diMethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylMethyl)-6-[[4-(2-pyridinyl)phenyl]Methyl]-,2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-DiMethyl Ester 1292296-09-3 C38H52N6O7
6-アミノ-5-アザシチジン 6-アミノ-5-アザシチジン 105331-00-8 C8H13N5O5
Esomeprazole Impurity 26 Esomeprazole Impurity 26 704910-88-3 C15H15N3OS
Acyclovir Impurity 1 Acyclovir Impurity 1 3055289-53-4 C13H17N5O6
Esomeprazole Impurity Esomeprazole Impurity
Esomeprazole Impurity 27 Esomeprazole Impurity 27
Aciclovir EP Impurity N Aciclovir EP Impurity N
1-(diaminomethylidene)-3-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]urea 1-(diaminomethylidene)-3-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]urea 2508-80-7 C7H14N4O5
Acyclovir Impurity Q Acyclovir Impurity Q
Eltrombopag Impurity 6 Eltrombopag Impurity 6
Esomeprazole Impurity 6 Esomeprazole Impurity 6
5-Methoxy-2-Hydroxy Benzimidazole 5-Methoxy-2-Hydroxy Benzimidazole 208-75-3 C13H9N
2-Pyridinemethanol, 4-hydroxy-3,5-dimethyl- (9CI) 2-Pyridinemethanol, 4-hydroxy-3,5-dimethyl- (9CI) 727375-13-5 C8H11NO2
135270-13-2 135270-13-2 135270-13-2 C12H11F2N3O
Eltrombopag Impurity 5 Eltrombopag Impurity 5
Axitinib Impurity 27 Axitinib Impurity 27 1639137-80-6 C24H20N4O2S
(2R,3R,4R,5R)-2-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl acetate (2R,3R,4R,5R)-2-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl acetate C10H14N4O6
Azacitidine Impurity 31 Azacitidine Impurity 31 65024-85-3 C11H16O8
Efinaconazole Impurity 13 Efinaconazole Impurity 13 2055038-61-2 C18H22F2N4O
Acyclovir Impurity 12 Acyclovir Impurity 12
(E)-3'-(2-(1-(3,4-dimethylphenyl) (E)-3'-(2-(1-(3,4-dimethylphenyl)
sodium 5-methoxy-2-sulfinatobenzo[d]imidazol-1-id sodium 5-methoxy-2-sulfinatobenzo[d]imidazol-1-id
Eribulin Impurity 2 Eribulin Impurity 2
2-[(5-CARBOXY-4-METHOXY-3-METHYLPYRID-2-YL)-METHYLSULFO]-5-METHOXYBENZIMIDAZOLE 2-[(5-CARBOXY-4-METHOXY-3-METHYLPYRID-2-YL)-METHYLSULFO]-5-METHOXYBENZIMIDAZOLE 120003-72-7 C17H17N3O5S
5-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-2-pyridinyl)Methyl]thio]-1H-benziMidazole N-Oxide 5-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-2-pyridinyl)Methyl]thio]-1H-benziMidazole N-Oxide 142885-92-5 C17H19N3O3S
Iguratimod Impurity 5 Iguratimod Impurity 5 84594-95-6 C13H11NO4
Pyridine, 4-chloro-2-(chloromethyl)-3,5-dimethyl-, hydrochloride Pyridine, 4-chloro-2-(chloromethyl)-3,5-dimethyl-, hydrochloride 143016-68-6 C8H10Cl3N
2-メチルピラジン1,4-ジオキシド 2-メチルピラジン1,4-ジオキシド 32046-26-7 C5H6N2O2
Esomeprazole Impurity 28 Esomeprazole Impurity 28
Iguratimod Iguratimod 123663-50-3 C18H16N2O6S
Idebenone Impurity 5 Idebenone Impurity 5 88543-33-3 C18H28O5
Esomeprazole Impurity 41 Esomeprazole Impurity 41
Esomeprazole Impurity 34 Esomeprazole Impurity 34
ACICLOVIR, Impurity J ACICLOVIR, Impurity J
Eribulin Impurity 3 Eribulin Impurity 3
Erlotinib IMpurity A Erlotinib IMpurity A 1058132-82-3 C22H25N3O4
O-[(Guanin-9-yl)Methyl] Acyclovir O-[(Guanin-9-yl)Methyl] Acyclovir 166762-90-9 C14H16N10O4
Dehydro Azelnidipine Dehydro Azelnidipine 918659-10-6 C33H32N4O6
Ilaprazole Impurity 1 Ilaprazole Impurity 1
Ilaprazole Impurity 2 Ilaprazole Impurity 2
Esomeprazole Impurity 24 Esomeprazole Impurity 24
Eltrombopag Impurity 7 Eltrombopag Impurity 7
Azacitidine Impurity 37 Azacitidine Impurity 37 206269-46-7 C8H12N4O5
Acetic acid, 2-[[(1S,2R,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]amino]-2-oxo-, ethyl ester Acetic acid, 2-[[(1S,2R,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]amino]-2-oxo-, ethyl ester 480450-85-9 C21H31N5O5S
4(1H)-Pyridinone, 1-(6-methoxy-1H-benzimidazol-2-yl)-2,3,5-trimethyl- 4(1H)-Pyridinone, 1-(6-methoxy-1H-benzimidazol-2-yl)-2,3,5-trimethyl- 2512216-37-2 C16H17N3O2
6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid 6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid 123040-79-9 C10H8ClNO4
"mixture of 2-amino-9-[[2-(hydroxymethoxy) ethoxy]methyl]-1,9-dihydro-6H-purin-6-one and 2-amino-9-[[2-(hydroxyethoxy)methoxy]methyl]-1,9- dihydro-6H-purin-6-one,"
(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity) (3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity) 106939-30-4 C19H22FN3O4
(6S,12BR)-6-(1,3-ベンゾジオキソール-5-イル)-2,3,7,12B-テトラヒドロ-2-メチルピラジノ[1',2':1,5]ピロロ[3,4-B]キノリン-1,4,12(6H)-トリオン (6S,12BR)-6-(1,3-ベンゾジオキソール-5-イル)-2,3,7,12B-テトラヒドロ-2-メチルピラジノ[1',2':1,5]ピロロ[3,4-B]キノリン-1,4,12(6H)-トリオン 531500-48-8 C22H17N3O5
1-(3,5-Dihydroxyphenyl)-2-[(1,1-diMethylethyl)(phenylMethyl)aMino]ethanone HydrobroMide 1-(3,5-Dihydroxyphenyl)-2-[(1,1-diMethylethyl)(phenylMethyl)aMino]ethanone HydrobroMide 94109-61-2 C19H23NO3
2-Methyl-5-(3-(4-(Methylsulfonyl)phenyl)furan-2-yl)pyridine 2-Methyl-5-(3-(4-(Methylsulfonyl)phenyl)furan-2-yl)pyridine 307531-96-0 C17H15NO3S
3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid 437717-43-6 C17H20N4O5S
3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4R-phenyl-2-oxazolidinone 3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4R-phenyl-2-oxazolidinone 404874-93-7 C20H18FNO4
5-[ビス(2-クロロエチル)アミノ]-1-メチル-1H-ベンズイミダゾール-2-ブタン酸メチルエステル 5-[ビス(2-クロロエチル)アミノ]-1-メチル-1H-ベンズイミダゾール-2-ブタン酸メチルエステル 109882-25-9 C17H23Cl2N3O2
Caspofungin IMpurity A Caspofungin IMpurity A 1202167-57-4 C51H86N10O15
DesdifluoroMethoxy Hydroxy Pantoprazole DesdifluoroMethoxy Hydroxy Pantoprazole 1261238-06-5 C15H15N3O4S
Levofloxacin Hydroxy Acid Levofloxacin Hydroxy Acid 1036016-10-0 C18H21F2N3O4
N-(4,5-ジヒドロ-1H-イミダゾール-2-イル)-6-キノキサリンアミン N-(4,5-ジヒドロ-1H-イミダゾール-2-イル)-6-キノキサリンアミン 91147-43-2 C11H11N5
ノルリドカイン塩酸塩 ノルリドカイン塩酸塩 7729-94-4 C12H19ClN2O
rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate 136310-66-2 C18H19NO3S2
(11β)-17-(Acetyloxy)-11-[4-(diMethylaMino)phenyl]-3-hydroxy-19-norpregna-1,3,5(10)-trien-20-one (11β)-17-(Acetyloxy)-11-[4-(diMethylaMino)phenyl]-3-hydroxy-19-norpregna-1,3,5(10)-trien-20-one 709615-25-8 C30H37NO4
4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-benzeneacetic Acid 4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-benzeneacetic Acid 1187954-57-9 C32H37NO3
(2S,3R,4R,5S)-1-(2-hydroxyethyl)-2-(hydroxymethyl)-3,4,5-Piperidinetriol Hydrochloride (2S,3R,4R,5S)-1-(2-hydroxyethyl)-2-(hydroxymethyl)-3,4,5-Piperidinetriol Hydrochloride 1370331-33-1 C8H17NO5
(3S,5R)-Rosuvastatin (3S,5R)-Rosuvastatin 1242184-42-4 C22H28FN3O6S
(S)-5-(2-AMinopropyl)-2-MethoxybenzenesulfonaMide (S)-5-(2-AMinopropyl)-2-MethoxybenzenesulfonaMide 119714-13-5 C10H16N2O3S
Cefoxitin iMpurity F (S-Methoxy cefoxitin) Cefoxitin iMpurity F (S-Methoxy cefoxitin)
Clopidogrel IMpurity 1 Clopidogrel IMpurity 1 C15H14ClNO2S
LincoMycin iMpurity A LincoMycin iMpurity A
Posaconazole iMpurity 1 Posaconazole iMpurity 1
Riociguat IMpurtiy Riociguat IMpurtiy 2920299-23-4
TelMisartan IMpurity E TelMisartan IMpurity E
IverMectin B1 Mono-sugar Derivative IverMectin B1 Mono-sugar Derivative 71837-27-9 C41H62O11
Desethyl Acetate (E)-CefuroxiMe Axetil Desethyl Acetate (E)-CefuroxiMe Axetil 97232-97-8 C16H16N4O8S
N-メチル-3-フェニルプロピルアミン塩酸塩 N-メチル-3-フェニルプロピルアミン塩酸塩 30684-07-2 C10H16ClN
1-[2-[(2,6-diMethylphenyl)thio]phenyl]- Piperazine 1-[2-[(2,6-diMethylphenyl)thio]phenyl]- Piperazine 508233-76-9 C18H22N2S
1-NaphthaleneMethanaMine, α-Methyl-N-[[3-(trifluoroMethyl)phenyl]Methyl]-, (αR)- 1-NaphthaleneMethanaMine, α-Methyl-N-[[3-(trifluoroMethyl)phenyl]Methyl]-, (αR)- 1229512-52-0 C20H18F3N
Benzoic acid, 2-[[[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]aMino]carbonyl]- Benzoic acid, 2-[[[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]aMino]carbonyl]- 1365267-37-3 C22H21N3O7
NSC 609249 NSC 609249 51012-67-0 C12H20ClNO2
2-エトキシ-5-[(4-メチルピペラジノ)スルホニル]ベンズアルデヒド 2-エトキシ-5-[(4-メチルピペラジノ)スルホニル]ベンズアルデヒド 332374-42-2 C14H20N2O4S
ApovincaMinic Acid Ethyl Ester N-Oxide ApovincaMinic Acid Ethyl Ester N-Oxide 109741-24-4 C22H26N2O3
(2R,4S)-2-メチル-4-アミノ-5-(4-ビフェニリル)ペンタン酸エチル (2R,4S)-2-メチル-4-アミノ-5-(4-ビフェニリル)ペンタン酸エチル 752174-62-2 C20H25NO2
EMpagliflozin iMpurity 12 EMpagliflozin iMpurity 12
(2S,4R)-Teneligliptin (2S,4R)-Teneligliptin 1404559-15-4 C22H30N6OS
Daclatasvir Impurity Daclatasvir Impurity 1417333-83-5 C40H50N8O6
1-[2-[(3,4-diMethylphenyl)thio]phenyl]- Piperazine 1-[2-[(3,4-diMethylphenyl)thio]phenyl]- Piperazine 1293489-74-3 C18H22N2S
carfilzoMib iMpurity -A carfilzoMib iMpurity -A
(3S,4R)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one (3S,4R)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one 1593543-00-0 C24H21F2NO3
ethyl N-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)Methyl)-N-pentanoyl-L-valinate ethyl N-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)Methyl)-N-pentanoyl-L-valinate 1111177-30-0 C26H33N5O3
Rosuvastatin EP impurity A Rosuvastatin EP impurity A 1714147-50-8 C25H34FN3NaO7S*
Doxorubicin Impurity 6 Doxorubicin Impurity 6 69429-21-6 C26H27NO11
Etoricoxib Impurity 11 Etoricoxib Impurity 11 202409-31-2 C17H13ClN2O2S
Levofloxacin Tetrafluoro Impurity 1 Levofloxacin Tetrafluoro Impurity 1 110548-02-2 C15H15F4NO4
Penicillin F Potassium Salt Penicillin F Potassium Salt 97299-13-3 C14H21KN2O4S
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