Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- 2227126-09-0 C16H12BrNO3
3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 18206-80-9 C14H9ClN2O
Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) 103088-58-0 C21H30O2
1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- 1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- 91797-61-4 C17H19N
2-Pyridineethanamine, N-methyl-N-nitroso- 2-Pyridineethanamine, N-methyl-N-nitroso- 32635-81-7 C8H11N3O
Peramivir Impurity 45 Peramivir Impurity 45
Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- 2512198-63-7 C19H24NO2P
1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- 1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- 313369-17-4 C16H21N3O2
Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- 57935-66-7 C23H24BrN3O3
(5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide (5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide
Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- 871266-45-4 C15H12ClNO4
Cisatracurium besylate impurity11 Cisatracurium besylate impurity11
(3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- 2575516-61-7 C16H16N2O4
Ganciclovir EP Impurity Ganciclovir EP Impurity
Crisaborole Impurity 15 Crisaborole Impurity 15
Latamoxef impurity A Latamoxef impurity A
(E)-methyl 3-(((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate (E)-methyl 3-(((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate
1-(2-Fluor[1,1'-biphenyl]-4-yl)ethan-1-on 1-(2-Fluor[1,1'-biphenyl]-4-yl)ethan-1-on 42771-79-9 C14H11FO
m-Xylol-4,α,α'-triol m-Xylol-4,α,α'-triol 2937-60-2 C8H10O3
Oseltamivir Impurity 107 Oseltamivir Impurity 107
Oseltamivir  Impurity 66 Oseltamivir Impurity 66
Dapagliflozin Impurity 46 Dapagliflozin Impurity 46
Brexpiprazole Impurity ABCDEFGHJKL Brexpiprazole Impurity ABCDEFGHJKL
p,p'-(2-Pyridylmethylen)bisphenol p,p'-(2-Pyridylmethylen)bisphenol 603-41-8 C18H15NO2
Tazobactam Impurity DBT Tazobactam Impurity DBT
Diginatin Diginatin 52589-12-5 C41H64O15
Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- 2436275-33-9 C18H14FIS
Revefenacin Impurity 2 Revefenacin Impurity 2 1158699-78-5 C14H17NO4
(R)-2-(4-Methoxyphenyl)-1-methylethanamine (R)-2-(4-Methoxyphenyl)-1-methylethanamine 58993-79-6 C10H15NO
N-[5-[(1RS)-2-[benzyl[(1RS)-2-(4-methoxyphenyl)- 1-methylethyl]amino]-1-hydroxyethyl]-2- hydroxyphenyl]formamide N-[5-[(1RS)-2-[benzyl[(1RS)-2-(4-methoxyphenyl)- 1-methylethyl]amino]-1-hydroxyethyl]-2- hydroxyphenyl]formamide 2514947-17-0 C26H30N2O4
NA NA
Cilastatin Impurity H Cilastatin Impurity H
(trans, trans)-3,3'-(1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(butane-1,2,4-triol) (trans, trans)-3,3'-(1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(butane-1,2,4-triol)
Azelastine Impurity K Azelastine Impurity K
(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-
Carbazochrome Sodium Sulfonate Impurity 1 Carbazochrome Sodium Sulfonate Impurity 1
Rosuvastatin Impurity 147 Rosuvastatin Impurity 147
NA NA
Cetrorelix Impurity 10 Cetrorelix Impurity 10
Cetrorelix Impurity 3 (9-D-Pro) Cetrorelix Impurity 3 (9-D-Pro)
Peramivir Intermediate Impurity 42 Peramivir Intermediate Impurity 42
Nintedanib impurity A drops Nintedanib impurity A drops
Tofacitinib impurity N drops Tofacitinib impurity N drops
Carboprost impurity 999 Carboprost impurity 999
Bumetanide impurity C drops Bumetanide impurity C drops
Troxipide Impurity 6 Troxipide Impurity 6
Piperacillin Impurity K Piperacillin Impurity K
2-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzoic acid 2-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzoic acid
3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester 3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester 2591260-03-4 C18H20N2O6S
Pemetrexed disodium Impurity 32 Pemetrexed disodium Impurity 32
Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)- Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)- 1185143-75-2 C20H26O6
Tazobactam Impurity LTE Tazobactam Impurity LTE
Isavuconazole Impurity 47 Isavuconazole Impurity 47
5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one) 5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one) 753498-27-0 C49H49N3O6
2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid 2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
	Eltrombopag Impurity 37 Eltrombopag Impurity 37 350024-70-3 C14H18N2O
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
Tafluprost Impurity 20 Tafluprost Impurity 20
Rosuvastatin Impurity 149 Rosuvastatin Impurity 149
2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE 2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE 723286-98-4 C4H2ClF3N2O
Rifampicin Quinone Oxide Rifampicin Quinone Oxide
1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate 1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate
1-Phenyl-3,4-dihydroisoquinoline 1-Phenyl-3,4-dihydroisoquinoline 52250-50-7 C15H13N
Pyrazinecarboxamide, 3,6-difluoro- (9CI) Pyrazinecarboxamide, 3,6-difluoro- (9CI) 356783-29-4 C5H3F2N3O
Benzamide, 3-hydrazino- (9CI) Benzamide, 3-hydrazino- (9CI) 473927-51-4 C7H9N3O
4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid 4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid 1926162-37-9 C32H42Cl4N6O4
Isavuconazole Impurity 39 Isavuconazole Impurity 39 207224-73-5 C21H18F2N4OS
Isavuconazole Impurityi45 Isavuconazole Impurityi45
Gatifloxacinacid Gatifloxacinacid 121577-32-0 C19H22FN3O4.ClH
Bisoprolol Impurity 41 Bisoprolol Impurity 41
1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI) 1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI) 65061-22-5 C31H40O3
Piperacilin Piperacilin
	Varenicline Impurity D Varenicline Impurity D
2-Propanone, 1-(2-hydroxypropoxy)- (9CI) 2-Propanone, 1-(2-hydroxypropoxy)- (9CI) 90817-38-2 C6H12O3
Nirmatrelvir Impurity 4 Nirmatrelvir Impurity 4
Nifedipine Impurity L Nifedipine Impurity L
2-Pyrrolidinone, 3,4-dihydroxy-5-(hydroxymethyl)-, (3R,4R,5R)- (9CI) 2-Pyrrolidinone, 3,4-dihydroxy-5-(hydroxymethyl)-, (3R,4R,5R)- (9CI) 155102-96-8 C5H9NO4
Bumetanide Impurity 24 Bumetanide Impurity 24
Rocuronium Bromide Impurity 37、38、39 Rocuronium Bromide Impurity 37、38、39
Ritonavir EP Impurity HIJ Ritonavir EP Impurity HIJ
Crisaborole Impurity 42 Crisaborole Impurity 42
Perospirone Impurity 26 Perospirone Impurity 26
Paxlovid Impurity 15 Paxlovid Impurity 15
3-(2-(cyclopent-2-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide 3-(2-(cyclopent-2-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide
Canagliflozin Impurity 84 Canagliflozin Impurity 84
Fondaparinux sodium impurity 18 Fondaparinux sodium impurity 18
Fondaparinux sodium impurity 13 Fondaparinux sodium impurity 13
Lasmiditan Impurity 1 Lasmiditan Impurity 1
(5R,6R)-6-((R)-1-hydroxyethyl)-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-en-7-one (5R,6R)-6-((R)-1-hydroxyethyl)-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-en-7-one
Olodaterol Impurity 22 Olodaterol Impurity 22
Olodaterol Impurity 25 Olodaterol Impurity 25
32,43,50-Tricarboxy-cyanoco balamin 32,43,50-Tricarboxy-cyanoco balamin
(S)-Azelastine (S)-Azelastine 143228-85-7 C22H24ClN3O
	Relugolix Impurity 92 Relugolix Impurity 92
N-Desethyl Vardenafil N-Desethyl Vardenafil 448184-46-1 C21H28N6O4S
O-Desmethyl Gefitinib O-Desmethyl Gefitinib 847949-49-9 C21H22ClFN4O3
Pyrazole N-Demethyl Sildenafil Pyrazole N-Demethyl Sildenafil 139755-95-6 C21H28N6O4S
S-(-)-Tolterodine S-(-)-Tolterodine 124937-53-7 C22H31NO
Zolmitriptan N-Oxide Zolmitriptan N-Oxide 251451-30-6 C16H21N3O3
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