Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
2,5-Thiazolylmethyl Diacarbonate 2,5-Thiazolylmethyl Diacarbonate 144142-33-6 C28H30N4O5S2
4-(2-Chloroethyl)-N-methoxy-N,α,α-trimethyl-benzeneacetamide 4-(2-Chloroethyl)-N-methoxy-N,α,α-trimethyl-benzeneacetamide 1638785-17-7 C14H20ClNO2
Cefuroxime Impurity A Double-Bond Shift Impurity Cefuroxime Impurity A Double-Bond Shift Impurity
4-(difluoromethoxy)-N1-((3,4-dimethoxypyridin-2-yl)methyl)benzene-1,2-diamine 4-(difluoromethoxy)-N1-((3,4-dimethoxypyridin-2-yl)methyl)benzene-1,2-diamine 2641896-99-1 C15H17F2N3O3
Peramivir Impurity 21 Peramivir Impurity 21
Dapagliflozin Impurity 165 Dapagliflozin Impurity 165 342043-51-0 C18H18O4
3'-Desethoxy Drotaverine Hydrochloride 3'-Desethoxy Drotaverine Hydrochloride 85475-87-2 C22H28ClNO4
(S)-dimethyl 2-(4-(4-oxobutyl)benzamido)pentanedioate (S)-dimethyl 2-(4-(4-oxobutyl)benzamido)pentanedioate 1081974-98-2 C18H23NO6
Peramivir Impurity 38 Peramivir Impurity 38
(3S)-3-((S)-1-oxo-3a,4,5,6-tetrahydro-1H-benzo[de]isoquinolin-2(3H)-yl)quinuclidine 1-oxide (3S)-3-((S)-1-oxo-3a,4,5,6-tetrahydro-1H-benzo[de]isoquinolin-2(3H)-yl)quinuclidine 1-oxide
2-(4-hydroxy-1-methyl-7-phenoxy-5,6,7,8-tetrahydroisoquinoline-3-carboxamido)acetic acid 2-(4-hydroxy-1-methyl-7-phenoxy-5,6,7,8-tetrahydroisoquinoline-3-carboxamido)acetic acid
6-HYDROXYLAMINOURACIL 6-HYDROXYLAMINOURACIL 20555-88-8 C4H5N3O2
Dapagliflozin Dapagliflozin 639852-30-5 C19H44O5Si4
Cabozantinib impurity 52 Cabozantinib impurity 52
Canagliflozin Impurity 71 Canagliflozin Impurity 71
N-((4-(5-methyl-2-phenyloxazol-4-yl)phenyl)sulfonyl)propionamide N-((4-(5-methyl-2-phenyloxazol-4-yl)phenyl)sulfonyl)propionamide 2242749-02-4 C19H18N2O4S
Dapoxetine impurity 67 Dapoxetine impurity 67
FENOFIBRIC ACID ETHYL ESTER FENOFIBRIC ACID ETHYL ESTER 42019-08-9 C19H19ClO4
2-(5-Acetyl-2-ethoxyphenyl)-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one 2-(5-Acetyl-2-ethoxyphenyl)-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one 358390-43-9 C19H22N4O3
Empagliflozin Impurity 80 Empagliflozin Impurity 80
Empagliflozin Impurity 92 Empagliflozin Impurity 92
Iohexol Impurity N Iohexol Impurity N
Pitavastatin 5-Oxo Impurity  Calcium Salt Pitavastatin 5-Oxo Impurity Calcium Salt 2180095-22-9 C25H24CaFNO4
1-(2-bromo-3,5-dihydroxyphenyl)ethanone 1-(2-bromo-3,5-dihydroxyphenyl)ethanone 2092614-65-6 C8H7BrO3
Lenvatinib impurity LFZZ-18 Lenvatinib impurity LFZZ-18 C11H8Cl2N2O2
Rosuvastatin Impurity 121 Rosuvastatin Impurity 121 140164-51-8 C10H18O5
Brivaracetam Impurity 38 Brivaracetam Impurity 38
Isavuconazole Impurities 04 Isavuconazole Impurities 04
Ticagrelor Impurity 119 Ticagrelor Impurity 119
Ticagrelor Impurity 118 Ticagrelor Impurity 118
D-erythro-Hexonic acid, 2,4-dideoxy-3,5-O-(1-methylethylidene)-, acetate (9CI) D-erythro-Hexonic acid, 2,4-dideoxy-3,5-O-(1-methylethylidene)-, acetate (9CI) 402508-35-4 C11H18O6
L-Alanine, 3-[(S)-(carboxymethyl)sulfinyl]- L-Alanine, 3-[(S)-(carboxymethyl)sulfinyl]- 112246-66-9 C5H9NO5S
2-Propanone, 1-[4,5-dihydro-2-(4-methyl-1-piperazinyl)-4-thioxo-3H-1,5-benzodiazepin-3-ylidene]- 2-Propanone, 1-[4,5-dihydro-2-(4-methyl-1-piperazinyl)-4-thioxo-3H-1,5-benzodiazepin-3-ylidene]- 1902955-67-2 C17H20N4OS
3(2H)-Pyridazinone, 6-[4-(ethylamino)phenyl]-4,5-dihydro-5-methyl- 3(2H)-Pyridazinone, 6-[4-(ethylamino)phenyl]-4,5-dihydro-5-methyl- 52240-42-3 C13H17N3O
Benzoic acid, 4-[[4-(aminocarbonyl)-1-piperidinyl]methyl]- Benzoic acid, 4-[[4-(aminocarbonyl)-1-piperidinyl]methyl]- 938143-02-3 C14H18N2O3
1-(4-methylbenzyl)-1,4,8,11-tetraazacyclotetradecane tetrahydrochloride 1-(4-methylbenzyl)-1,4,8,11-tetraazacyclotetradecane tetrahydrochloride
2,4-bis(1-(2,3-dimethylphenyl)ethyl)-1H-imidazole 2,4-bis(1-(2,3-dimethylphenyl)ethyl)-1H-imidazole
2-((4R,6S)-6-((2-((4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetoxy)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid 2-((4R,6S)-6-((2-((4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetoxy)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid
1,3-bis(4-((E)-3-methoxy-3-oxoprop-1-en-1-yl)benzyl)-1H-imidazol-3-ium bromide 1,3-bis(4-((E)-3-methoxy-3-oxoprop-1-en-1-yl)benzyl)-1H-imidazol-3-ium bromide
Crisaborole intermediate Crisaborole intermediate 1187230-70-1 C14H14BNO3
Glycine, (2R)-N-[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]-2-phenylglycyl-2-[(2S,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-, (2R)- Glycine, (2R)-N-[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]-2-phenylglycyl-2-[(2S,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-, (2R)- 1449784-97-7 C23H29N5O8S
6-Quinolinecarboxamide, 4-[(2-chloro-4-hydroxyphenyl)amino]-7-methoxy- 6-Quinolinecarboxamide, 4-[(2-chloro-4-hydroxyphenyl)amino]-7-methoxy- 2380197-89-5 C17H14ClN3O3
1-Pyrrolidineacetic acid, α-ethyl-2-oxo-4-propyl-, methyl ester, (4R)- 1-Pyrrolidineacetic acid, α-ethyl-2-oxo-4-propyl-, methyl ester, (4R)- 930123-52-7 C12H21NO3
Traxipide impurity Traxipide impurity
Benzeneacetic acid, 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-α,α-dimethyl-, methyl ester Benzeneacetic acid, 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-α,α-dimethyl-, methyl ester 1181267-38-8 C29H39N3O3
Benzenemethanol, 4-[2-(1-methylethoxy)ethoxy]- Benzenemethanol, 4-[2-(1-methylethoxy)ethoxy]- 1039828-27-7 C12H18O3
Brivaracetam Impurity 7 HCl Brivaracetam Impurity 7 HCl 357338-46-6 C13H27ClN2O3
Bisacodyl Impurity 1 Bisacodyl Impurity 1 13004-51-8 C18H15NO2
Vecuronium Bromide ImpurityACDEFGHJKL Vecuronium Bromide ImpurityACDEFGHJKL
Butanedioic acid, 2-[[2-methyl-1-(phenylmethyl)-1H-imidazol-5-yl]methylene]-, 1-ethyl ester, (2E)- Butanedioic acid, 2-[[2-methyl-1-(phenylmethyl)-1H-imidazol-5-yl]methylene]-, 1-ethyl ester, (2E)- 1640981-02-7 C18H20N2O4
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2452300-94-4 C21H25ClO8
1-Butanone, 1-(4-fluorophenyl)-4-[(6bS,10aS)-2,3,6b,9,10,10a-hexahydro-3-methyl-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl]- 1-Butanone, 1-(4-fluorophenyl)-4-[(6bS,10aS)-2,3,6b,9,10,10a-hexahydro-3-methyl-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl]- 1576240-15-7 C24H28FN3O
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
impurity 42 impurity 42
2,2'-(4,10-bis((2S,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid 2,2'-(4,10-bis((2S,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid
Loratadine Impurity 2 Loratadine Impurity 2 167891-69-2 C22H25ClN2O2
Eliglustat (1S,2S)-Isomer (Hemitartrate) Eliglustat (1S,2S)-Isomer (Hemitartrate) 1092472-70-2 C23H36N2O4
3-Azetidineacetic acid, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]- 3-Azetidineacetic acid, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]- 2271228-52-3 C16H18N6O4S
Cyclopentanecarboxylic acid, 3-[(1S)-1-amino-2-ethylbutyl]-4-[(aminoiminomethyl)amino]-2-hydroxy-, (1S,2S,3S,4R)- Cyclopentanecarboxylic acid, 3-[(1S)-1-amino-2-ethylbutyl]-4-[(aminoiminomethyl)amino]-2-hydroxy-, (1S,2S,3S,4R)- 2412376-06-6 C13H26N4O3
Peramivir Impurity 49 Peramivir Impurity 49 2758048-81-4
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
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
Cisatracurium besylate impurity 18 Cisatracurium besylate impurity 18
Paclitaxel Impurity1 ABCDEFGHJKL Paclitaxel Impurity1 ABCDEFGHJKL
3-THIOPHENEPROPANAMINE, N,N-DIMETHYL-GAMMA-(1-NAPHTHALENYLOXY)-, ETHANEDIOATE(1:1) 3-THIOPHENEPROPANAMINE, N,N-DIMETHYL-GAMMA-(1-NAPHTHALENYLOXY)-, ETHANEDIOATE(1:1) 116817-26-6 C21H23NO5S
(2R,3S/2S,3R)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol (2R,3S/2S,3R)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol 182230-43-9 C16H14F3N5O
Bumetanide Impurity 8 Bumetanide Impurity 8
Benzenesulfonamide, N-(2-aminoethyl)-3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxy- Benzenesulfonamide, N-(2-aminoethyl)-3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxy- 448184-52-9 C19H26N6O4S
Latamoxef Impurity C Latamoxef Impurity C
Carbamic acid, [2-hydroxy-1-methyl-2-[3-(phenylmethoxy)phenyl]ethyl]-, phenylmethyl ester, [R-(R*,S*)]- (9CI) Carbamic acid, [2-hydroxy-1-methyl-2-[3-(phenylmethoxy)phenyl]ethyl]-, phenylmethyl ester, [R-(R*,S*)]- (9CI) 31301-86-7 C24H25NO4
9H-Purine-9-ethanol, 6-amino-β-methyl- 9H-Purine-9-ethanol, 6-amino-β-methyl- 20776-34-5 C8H11N5O
2-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-4-one 2-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-4-one 92440-76-1 C14H17N3O4
(S)-3-(3-((3-chloro-2-(3,4-dimethoxyphenyl)propyl)(methyl)amino) propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one hydrochloride (S)-3-(3-((3-chloro-2-(3,4-dimethoxyphenyl)propyl)(methyl)amino) propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one hydrochloride
4-Methoxy-3,5-diMethylpyridine 1-Oxide 4-Methoxy-3,5-diMethylpyridine 1-Oxide 91219-89-5 C8H11NO2
N-Ethyl-3-buteno-o-toluidide N-Ethyl-3-buteno-o-toluidide 13936-71-5 C13H17NO
Pramipexole Impurity 21 Pramipexole Impurity 21 104617-86-9 C10H17N3S
Tigecycline Pentacyclic Analog Tigecycline Pentacyclic Analog 1268494-40-1 C27H32N4O9
Tigecycline (open C-ring D-ring) Quinone Tigecycline (open C-ring D-ring) Quinone 1268494-46-7 C26H32N4O8
Pazopanib iMpurity Pazopanib iMpurity
Acetic acid, 2-[2-[2-[4-[(4- chlorophenyl)phenylMethyl]-1-piperazinyl]ethoxy]ethoxy]- Acetic acid, 2-[2-[2-[4-[(4- chlorophenyl)phenylMethyl]-1-piperazinyl]ethoxy]ethoxy]- 682323-77-9 C23H29ClN2O4
edaravone iMpurity edaravone iMpurity
(2R,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)Methyl)-4-Methylphenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol (2R,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)Methyl)-4-Methylphenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol C24H25FO5S
5-(4-fluorophenyl)-1H-pyrrole-3-carbaldehyde 5-(4-fluorophenyl)-1H-pyrrole-3-carbaldehyde C11H8FNO
Ganciclovir EP Impurity H Ganciclovir EP Impurity H 84222-50-4 C9H13N5O4
2-[4-[(1E)-1,2-Diphenylethenyl]phenoxy]-N,N-dimethylethanamine 2-[4-[(1E)-1,2-Diphenylethenyl]phenoxy]-N,N-dimethylethanamine 97151-10-5 C24H25NO
[S-(R*,R*)]-3,3'-Dithiobis[2-methylpropanoic acid] [S-(R*,R*)]-3,3'-Dithiobis[2-methylpropanoic acid] 65134-74-9 C8H14O4S2
(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-(thiophen-3-yl)ethyl 4-methylbenzenesulfonate 2-(thiophen-3-yl)ethyl 4-methylbenzenesulfonate 40412-09-7 C13H14O3S2
4-Nitrophenyl 5-chlorothiophene-2-carboxylate 4-Nitrophenyl 5-chlorothiophene-2-carboxylate 1450877-56-1 C11H6ClNO4S
Olaparib iMpurity B Olaparib iMpurity B
Posaconazole iMpurity 6 Posaconazole iMpurity 6 2185472-85-7 C30H35N5O3
Everolimus Isomer C Everolimus Isomer C
3-Deschloro-4-Desfluoro-4-Chloro-3-Fluorogefitinib 3-Deschloro-4-Desfluoro-4-Chloro-3-Fluorogefitinib 1603814-04-5 C22H24ClFN4O3
Brivaracetam (Racemate) Brivaracetam (Racemate) 357335-87-6 C11H20N2O2
Donepezil Impurity 2 Donepezil Impurity 2 36517-91-6 C11H10O4
Fesoterodine Related Impurity 2 Fesoterodine Related Impurity 2 1254942-29-4 C30H39NO6
Prasugrel Impurity 13 HCl Prasugrel Impurity 13 HCl 1618108-01-2 C18H19ClFNOS
Ticagrelor Related Compound 5 Ticagrelor Related Compound 5 1414348-35-8 C9H9F2N
Vortioxetine Impurity 2 Vortioxetine Impurity 2 1293489-69-6 C17H20N2S
(S)-2-(2-(5-chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-2-carboxamido)ethoxy)acetic acid (S)-2-(2-(5-chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-2-carboxamido)ethoxy)acetic acid 1151893-81-0 C24H21Cl2N3O7S2
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