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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
1-(3,4-bis(hydroxymethyl)-1H-pyrrol-2-yl)ethan-1-one 1-(3,4-bis(hydroxymethyl)-1H-pyrrol-2-yl)ethan-1-one
Gadobutrol Impurity 32 Gadobutrol Impurity 32 C14H23GdN4O6
Ornidazole Impurity 23 Ornidazole Impurity 23 1100750-18-2
Olanzapine impurity CNB Olanzapine impurity CNB
Pitavastatin Impurity 74 Pitavastatin Impurity 74 167934-30-7 C29H30FNO4
Etoricoxib Impurity 35 Etoricoxib Impurity 35 855307-79-8 C18H13ClN2O2S
Febuxostat Impurity 102 Febuxostat Impurity 102
Ticagrelor Impurity 131 Ticagrelor Impurity 131
door bird impurities door bird impurities
Topiroxostat Impurity 41 Topiroxostat Impurity 41
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-1-oxide-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium 1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-1-oxide-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium
2-Piperidinecarboxylic acid, 1-formyl-, (1S,2R,3S,6R,7E,10S,12S)-3-hydroxy-1-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-12-methoxy-2,8,10-trimethyl-5-oxo-6-(2-propen-1-yl)-12-[(2R,3S,5R)-tetrahydro-3-methoxy-5-methyl-6-oxo-2H-pyra 2-Piperidinecarboxylic acid, 1-formyl-, (1S,2R,3S,6R,7E,10S,12S)-3-hydroxy-1-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-12-methoxy-2,8,10-trimethyl-5-oxo-6-(2-propen-1-yl)-12-[(2R,3S,5R)-tetrahydro-3-methoxy-5-methyl-6-oxo-2H-pyra 143210-33-7 C43H69NO11
Blonanserin Impurity 15 Blonanserin Impurity 15 143213-96-1 C17H17ClFNO
1H-Pyrazole-1-propanoic acid, β-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)- 1H-Pyrazole-1-propanoic acid, β-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)- 2102675-40-9 C17H19N5O2
sodium ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d] pyrimidin-5-yl)ethyl)benzamido)-4-carboxylatobutanoyl)-L-glutamate sodium ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d] pyrimidin-5-yl)ethyl)benzamido)-4-carboxylatobutanoyl)-L-glutamate
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
6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile) 6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile)
Glycine, N-[(1-ethyl-4-hydroxy-7-phenoxy-3-isoquinolinyl)carbonyl]- Glycine, N-[(1-ethyl-4-hydroxy-7-phenoxy-3-isoquinolinyl)carbonyl]- 808120-20-9 C20H18N2O5
Vonoprazan Impurity 55 Vonoprazan Impurity 55
N-(5-((diphenylphosphoryl)methyl)-4-(2-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide N-(5-((diphenylphosphoryl)methyl)-4-(2-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide
Ethane, 1,1,1-trichloro-2,2,2-trimethoxy- Ethane, 1,1,1-trichloro-2,2,2-trimethoxy- 19932-79-7 C5H9Cl3O3
Budesonide Impurity 29 Budesonide Impurity 29
Budesonide Impurity 20 Budesonide Impurity 20
Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester 2478-45-7 C13H18N2O5S
Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithine]- Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithine]- 1404083-47-1 C52H86N10O16
(E)-3-(4-((3-(1-(4-((1H-imidazol-1-yl)methyl)phenyl)-2-carboxyethyl)-1H-imidazol-3-ium-1-yl)methyl)phenyl)acrylate (E)-3-(4-((3-(1-(4-((1H-imidazol-1-yl)methyl)phenyl)-2-carboxyethyl)-1H-imidazol-3-ium-1-yl)methyl)phenyl)acrylate
Cisatracurium besylate impurity 21 Cisatracurium besylate impurity 21
Dacomitinib Impurity Dacomitinib Impurity
6-O-DESMETHYL DONEPEZIL 6-O-DESMETHYL DONEPEZIL 120013-56-1 C23H27NO3
2-(2-METHYL-4-NITRO-IMIDAZOL-1-YL)-ETHANOL 2-(2-METHYL-4-NITRO-IMIDAZOL-1-YL)-ETHANOL 705-19-1 C6H9N3O3
Dimethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridin-3,5-dicarboxylat Dimethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridin-3,5-dicarboxylat 76258-20-3 C17H16N2O6
3-(2-TRIFLUOROMETHYL-PHENYL)-PROPAN-1-OL 3-(2-TRIFLUOROMETHYL-PHENYL)-PROPAN-1-OL 191155-81-4 C10H11F3O
monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate) monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate)
Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- 2167848-51-1 C12H14O4
(S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine (S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine 132335-46-7 C19H21NOS
D-Tryptophan, N-(trifluoroacetyl)- (9CI) D-Tryptophan, N-(trifluoroacetyl)- (9CI) 22220-03-7 C13H11F3N2O3
2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide
1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate 1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate
1-Ethyl-3(3-dimethylamino)urea 1-Ethyl-3(3-dimethylamino)urea 32897-26-0 C8H19N3O
Brivaracetam Impurity 29 Brivaracetam Impurity 29
L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester 1501982-84-8 C10H18O5
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
1,2-Bis(2-methoxyphenoxy)ethan 1,2-Bis(2-methoxyphenoxy)ethan 553-45-7 C16H18O4
Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide 1432057-93-6 C22H23ClN2O4
Oseltamivir Impurity 109 Oseltamivir Impurity 109
Oseltamivir Impurity 81 Oseltamivir Impurity 81
Oseltamivir Impurity 71 Oseltamivir Impurity 71
(-)-Menthylbenzoat (-)-Menthylbenzoat 6284-35-1 C17H24O2
1-Hydrazino-3-(methylthio)propan-2-ol 1-Hydrazino-3-(methylthio)propan-2-ol 14359-97-8 C4H12N2OS
Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- 293302-44-0 C10H13ClO3
N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide 2514957-29-8 C27H22F2N4O2S
2,4(1H,3H)-Pyrimidinedione, 1-β-L-ribofuranosyl-, 4-oxime (9CI) 2,4(1H,3H)-Pyrimidinedione, 1-β-L-ribofuranosyl-, 4-oxime (9CI) 402725-23-9 C9H13N3O6
1H-Indole-2-sulfonic acid, 6-hydroxy-1-methyl- 1H-Indole-2-sulfonic acid, 6-hydroxy-1-methyl- 2271443-87-7 C9H9NO4S
methyl 4-hydroxy-2-oxopyrrolidine-1-acetate methyl 4-hydroxy-2-oxopyrrolidine-1-acetate 85614-52-4 C7H11NO4
Sitagliptin EP Impurity 5 Sitagliptin EP Impurity 5
Simvastatin Impurity 6 Simvastatin Impurity 6
Pemetrexed Impurity 42 Pemetrexed Impurity 42
2-(6-Aminopurin-9-yl)ethanol 2-(6-Aminopurin-9-yl)ethanol 707-99-3 C7H9N5O
9-Azabicyclo[3.3.1]Nonane-9-Acetic Acid, 3-(Ethoxycarbonyl)-7-Oxo-, Ethyl Ester 9-Azabicyclo[3.3.1]Nonane-9-Acetic Acid, 3-(Ethoxycarbonyl)-7-Oxo-, Ethyl Ester 115956-03-1 C15H23NO5
Cefathiamidine Impurity F Cefathiamidine Impurity F
1-(Bromophenylmethyl)-4-chlorobenzene 1-(Bromophenylmethyl)-4-chlorobenzene 948-54-9 C13H10BrCl
Flomoxef oxidation impurities Flomoxef oxidation impurities
Toltrazuril Impurity 1 Toltrazuril Impurity 1
Cetrorelix Impurity 21 Cetrorelix Impurity 21
Brivaracetam Impurity 43 Brivaracetam Impurity 43
Canagliflozin Impurity 25 Complete Set Canagliflozin Impurity 25 Complete Set
Peramivir Intermediate Impurity 37 Peramivir Intermediate Impurity 37
Peramivir Diastereomer Impurity 1 Peramivir Diastereomer Impurity 1
Vinpocetine impurity 18 drops Vinpocetine impurity 18 drops
Canagliflozin Impurities 999 Canagliflozin Impurities 999
1,4,8,11-tetraazacyclotetradecane sodium chelation 1,4,8,11-tetraazacyclotetradecane sodium chelation
4-Methoxy-2,3,5-trimethylpyride-N-oxide 4-Methoxy-2,3,5-trimethylpyride-N-oxide 86604-80-0 C9H13NO2
1-BOC-4-(5-NITRO-2-PYRIDYL)PIPERAZINE 1-BOC-4-(5-NITRO-2-PYRIDYL)PIPERAZINE 193902-78-2 C14H20N4O4
Relugolix Impurity 25 Relugolix Impurity 25
Lumateperone Impurity 5 Lumateperone Impurity 5
Sugammadex Sodium Impurity ORG139131-1 Sugammadex Sodium Impurity ORG139131-1
2-[4-(Azidomethyl)phenyl]benzoic acid 2-[4-(Azidomethyl)phenyl]benzoic acid
2-[(2-AZIDOETHOXY)METHYL]-4-(2-CHLOROPHENYL)-3-ETHOXYCARBONYL-5-METHOXYCARBONYL)-6-METHYL-1,4-DIHYDROPYRIDINE 2-[(2-AZIDOETHOXY)METHYL]-4-(2-CHLOROPHENYL)-3-ETHOXYCARBONYL-5-METHOXYCARBONYL)-6-METHYL-1,4-DIHYDROPYRIDINE 88150-46-3 C20H23ClN4O5
((6aR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methanol acetic acid salt ((6aR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methanol acetic acid salt
Brivaracetam Impurity 56 Brivaracetam Impurity 56
Levofloxacin Impurity 23 Levofloxacin Impurity 23 2206825-95-6 C19H21ClFN3O4
Nitrendipine impurity 1 Nitrendipine impurity 1 1242511-98-3 C18H18N2O5
methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate 1572439-66-7 C11H8BrNO3
Dapoxetine impurity Dapoxetine impurity 2242008-36-0 C28H26O3
Pregabalin Impurity 11 Pregabalin Impurity 11 177432-20-1 C7H11NO3
Pregabalin Impurity 6 Pregabalin Impurity 6 2102350-92-3 C9H15NO3
Sunitinib Impurity 2 Sunitinib Impurity 2
(2S,3R,4R,5S,6R)-2-(3-(4-ethoxybenzyl)phenyl)-6-(hydroxyl methyl)tetrahydro-2H-pyran-3,4,5-triol (2S,3R,4R,5S,6R)-2-(3-(4-ethoxybenzyl)phenyl)-6-(hydroxyl methyl)tetrahydro-2H-pyran-3,4,5-triol 2452300-89-7 C21H26O6
(R)-Zanubrutinib (R)-Zanubrutinib 1691249-44-1 C27H29N5O3
LUMAT-005 LUMAT-005 313369-16-3 C16H19N3O3
Fimasartan Impurity F Fimasartan Impurity F
Amlodipine Impurity 23 (E-Isomer) Amlodipine Impurity 23 (E-Isomer) C26H31ClN2O8S
Erlotinib Impurity 37 Erlotinib Impurity 37
Bis{2-[benzyl(methyl)amino]ethyl} 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride Bis{2-[benzyl(methyl)amino]ethyl} 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride 71784-27-5 C35H41ClN4O6
Riluzole 5-Trifluoromethoxy Isomer Riluzole 5-Trifluoromethoxy Isomer 752969-85-0 C8H5F3N2OS
Pazufloxacin Impurity 7 Pazufloxacin Impurity 7 171567-48-9 C15H15FN2O3
Empagliflozin Impurity 42 Empagliflozin Impurity 42
2-amino-2-(4-nonylphenethyl)propane-1,3-diol 2-amino-2-(4-nonylphenethyl)propane-1,3-diol 746594-44-5 C20H35NO2
Zopiclone Impurity 17 Zopiclone Impurity 17
Pregabalin Impurity D Pregabalin Impurity D 53439-96-6 C11H14O3
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