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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
GLICLAZIDE IMPURITY F GLICLAZIDE IMPURITY F
ONDANSETRON IMPURITY D ONDANSETRON IMPURITY D
PERINDOPRIL IMPURITY A PERINDOPRIL IMPURITY A
(E)-Ceftiofur (E)-Ceftiofur 120882-20-4 C19H17N5O7S3
Cefmetazole Impurity E Cefmetazole Impurity E
Cefotiam Impurity 1 Cefotiam Impurity 1 2243596-87-2 C18H23N9O4S3
sodium 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)-1-oxidopiperazin-1-yl)ethoxy)acetate sodium 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)-1-oxidopiperazin-1-yl)ethoxy)acetate
Brivaracetam Impurity 25 Brivaracetam Impurity 25 10547-88-3 C7H12O2
(S)-N-((R)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide (S)-N-((R)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide
Peramivir Impurity 19 Peramivir Impurity 19
Diquafosol Impurity 13 Diquafosol Impurity 13 211448-81-6 C18H28N4O29P6
Montelukast Sodium EP Impurity G Montelukast Sodium EP Impurity G 1428448-96-7 C35H37ClNNaO3S
Amifostine related impurities 2 Amifostine related impurities 2 17002-55-0 C8H21N3O
Oxacillin Impurity F Oxacillin Impurity F 5053-35-0 C19H19N3O4S2
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylic acid 3-isopropyl 5-(2-hydroxyethyl) ester 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylic acid 3-isopropyl 5-(2-hydroxyethyl) ester 82219-47-4 C20H24N2O7
3-[(3-TRIFLUOROMETHYL)PHENYL]-1-PROPENE 3-[(3-TRIFLUOROMETHYL)PHENYL]-1-PROPENE 1813-96-3 C10H9F3
(AS)-A-(2-CHLOROPHENYL)-2,3,6,7-TETRAHYDRO-2-OXO-THIENO[3,2-C]PYRIDINE-5(4H)-ACETIC ACID METHYL ESTER (AS)-A-(2-CHLOROPHENYL)-2,3,6,7-TETRAHYDRO-2-OXO-THIENO[3,2-C]PYRIDINE-5(4H)-ACETIC ACID METHYL ESTER 527687-26-9 C16H16ClNO3S
2-[2-(2-AMINO-9H-PURIN-9-YL)ETHYL]-1,3-PROPANEDIOL 2-[2-(2-AMINO-9H-PURIN-9-YL)ETHYL]-1,3-PROPANEDIOL 104227-86-3 C10H15N5O2
1,4,8,11-Tetrakis[(4-methylphenyl)sulfonyl]-1,4,8,11-tetraazacyclotetradecane 1,4,8,11-Tetrakis[(4-methylphenyl)sulfonyl]-1,4,8,11-tetraazacyclotetradecane 71089-74-2 C38H48N4O8S4
3-Cyano-4-isobutoxybenzoic acid 3-Cyano-4-isobutoxybenzoic acid 528607-60-5 C12H13NO3
REF DUPL: trans-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane REF DUPL: trans-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane 139757-68-9 C8H11N3O3S
1-Propanol,3-[(1,1-dimethylethyl)amino]-2-[[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]-oxy]- 1-Propanol,3-[(1,1-dimethylethyl)amino]-2-[[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]-oxy]- 59697-06-2 C13H24N4O3S
rac Cetirizine N-Oxide > 70% by HPLC (Mixture of Diastereomers) rac Cetirizine N-Oxide > 70% by HPLC (Mixture of Diastereomers) 1076199-80-8 C21H25ClN2O4
(S)-N-Didemethyl Dapoxetine (S)-N-Didemethyl Dapoxetine 147199-40-4 C19H19NO
Hydroxy Flunarizine Hydroxy Flunarizine 87166-81-2 C26H26F2N2O
1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 139756-00-6 C8H11N3O4
6-Hydroxy Nicorandil 6-Hydroxy Nicorandil 113743-17-2 C8H9N3O5
trans-Itraconazole trans-Itraconazole 252964-65-1 C35H38Cl2N8O4
N-(2-Pyridyl)oxamic Acid N-(2-Pyridyl)oxamic Acid 13120-39-3 C7H6N2O3
(trans)-4-Propyl-1-methyl-L-proline (trans)-4-Propyl-1-methyl-L-proline 13380-36-4 C9H17NO2
N-Nordextromethorphan N-Nordextromethorphan 1531-23-3 C17H23NO
(S,S,R,R)-Orlistat (S,S,R,R)-Orlistat 111466-62-7 C29H53NO5
17β-Carboxy-17-desoxy Dexamethasone 17β-Carboxy-17-desoxy Dexamethasone 75262-69-0 C21H27FO4
1-(dimethoxymethyl)-3-methoxybenzene 1-(dimethoxymethyl)-3-methoxybenzene 59276-28-7 C10H14O3
Benazepril impurity A Benazepril impurity A C24H28N2O5
3S,4R-4-[phenyl-1-methylpiperidinyl] methanol 3S,4R-4-[phenyl-1-methylpiperidinyl] methanol 176022-03-0 C13H19NO
N-[(n-butylaMino)carbonyl]-4-[(3-Methylphenyl)aMino]-3-pyridinesulfonaMide N-[(n-butylaMino)carbonyl]-4-[(3-Methylphenyl)aMino]-3-pyridinesulfonaMide 160972-33-8 C17H22N4O3S
(R)-N-DeMethyl Dapoxetine (R)-N-DeMethyl Dapoxetine 1202160-36-8 C20H21NO
14,15-Dehydro Budesonide 14,15-Dehydro Budesonide 131918-64-4 C25H32O6
2-(BenzylMethylaMino)-3',4'-dihydroxyacetophenone 2-(BenzylMethylaMino)-3',4'-dihydroxyacetophenone 36467-25-1 C16H17NO3
2'-O-(5'-Deoxy-β-D-ribofuranosyl) Capecitabine 2'-O-(5'-Deoxy-β-D-ribofuranosyl) Capecitabine 1262133-66-3 C20H30FN3O9
4-Defluoro-4-hydroxy Gefitinib 4-Defluoro-4-hydroxy Gefitinib 847949-50-2 C22H25ClN4O4
Desethyl Sildenafil Desethyl Sildenafil 139755-91-2 C20H26N6O4S
N-Desisopropyl-N-forMyl Bisoprolol N-Desisopropyl-N-forMyl Bisoprolol 1346602-59-2 C16H25NO5
N-DesMethyl Olopatadine N-DesMethyl Olopatadine 113835-92-0 C20H21NO3
10-Keto DextroMethorphan 10-Keto DextroMethorphan 57969-05-8 C18H23NO2
ent-Paroxol ent-Paroxol 389573-45-9 C13H18FNO
Febuxostat Acyl-β-D-glucuronide Febuxostat Acyl-β-D-glucuronide 1351692-92-6 C22H24N2O9S
Keto Bisoprolol Keto Bisoprolol 864544-37-6 C18H29NO5
Olopatadine Carbaldehyde DISCONTINUED Olopatadine Carbaldehyde DISCONTINUED 1376615-97-2 C21H23NO2
5-Chloro-1-methyl-4-nitroimidazole 5-Chloro-1-methyl-4-nitroimidazole C4H4ClN3O2
Nisoldipine Related Compound II Nisoldipine Related Compound II
5-Chloro-N1-Methylbenzene-1,2-diaMine 5-Chloro-N1-Methylbenzene-1,2-diaMine 84859-27-8 C7H9ClN2
(1'S,3'S,4'S)-Entecavir IsoMer (1'S,3'S,4'S)-Entecavir IsoMer 1367369-80-9 C12H15N5O3
Iso Ganciclovir Iso Ganciclovir 86357-09-7 C9H13N5O4
(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester (1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester 629652-40-0 C22H19ClN2O5
2-Butyl-1,6-dihydro-N,N,4-trimethyl-6-oxo-1-[[2'-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-5-pyrimidineacetamide 2-Butyl-1,6-dihydro-N,N,4-trimethyl-6-oxo-1-[[2'-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-5-pyrimidineacetamide 503155-67-7 C46H45N7O2
O-De(3-fluorobenzyl) Lapatinib O-De(3-fluorobenzyl) Lapatinib 1268997-70-1 C22H21ClN4O4S
5-Des[2-(tert-butylaMino)] BaMbuterol-5-ethylenediol 5-Des[2-(tert-butylaMino)] BaMbuterol-5-ethylenediol 112935-92-9 C14H20N2O6
Desloratadine Epoxide Desloratadine Epoxide 1346604-23-6 C19H19ClN2O
Menaquinone 4 2,3-Epoxide Menaquinone 4 2,3-Epoxide 72908-86-2 C31H40O3
D-Phenylalanyl Nateglinide D-Phenylalanyl Nateglinide 944746-48-9 C28H36N2O4
Felodipine 3,5-DiMethyl Ester Felodipine 3,5-DiMethyl Ester 91189-59-2 C17H17Cl2NO4
Moxifloxacin Methyl Ester Moxifloxacin Methyl Ester 721970-35-0 C22H26FN3O4
Atomoxetine Related Compound C (10 mg) (N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride) Atomoxetine Related Compound C (10 mg) (N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride) 873310-31-7 C17H22ClNO
Zolmitriptan Related Compound B (20 mg) ((S)-2-Amino-3-{3-[2-(dimethylamino)ethyl]-1H-indol-5-yl}propan-1-ol) Zolmitriptan Related Compound B (20 mg) ((S)-2-Amino-3-{3-[2-(dimethylamino)ethyl]-1H-indol-5-yl}propan-1-ol) 139264-69-0 C15H23N3O
1-BENZYL-N,4-DIMETHYLPIPERIDIN-3-AMINE DIHYDROCHLORIDE 1-BENZYL-N,4-DIMETHYLPIPERIDIN-3-AMINE DIHYDROCHLORIDE 384338-23-2 C14H22N2
(R,Z)-2-((R)-((Z)-2-(2-aMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)(carboxy)Methyl)-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid (R,Z)-2-((R)-((Z)-2-(2-aMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)(carboxy)Methyl)-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid 178422-39-4 C14H15N5O6S2
Nicergoline-5-Chloro Analogue Nicergoline-5-Chloro Analogue 38536-28-6 C24H26ClN3O3
1-(3-aMino-5-(benzyloxy)-2-hydroxyphenyl)ethanone 1-(3-aMino-5-(benzyloxy)-2-hydroxyphenyl)ethanone 861841-90-9 C15H15NO3
(2RS)-2-Hydroxy-2-[4-(2-Methylpropyl)phenyl]propanoic Acid (2RS)-2-Hydroxy-2-[4-(2-Methylpropyl)phenyl]propanoic Acid C13H18O3
(3RS)-1,3-Bis[4-(2-Methylpropyl) phenyl]butan-1-one (3RS)-1,3-Bis[4-(2-Methylpropyl) phenyl]butan-1-one C24H32O
2-[4-(2-Methylpropyl)phenyl] ethanol 2-[4-(2-Methylpropyl)phenyl] ethanol 2143535-25-3 C24H32O
1-cyclopropyl-6-fluoro-8-hydroxy-4-oxo-7-((4aR,7aR)-tetrahydro-1H-pyrrolo[3,4-b]pyridin-6(2H,7H,7aH)-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrobroMide 1-cyclopropyl-6-fluoro-8-hydroxy-4-oxo-7-((4aR,7aR)-tetrahydro-1H-pyrrolo[3,4-b]pyridin-6(2H,7H,7aH)-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrobroMide 1292904-74-5 C20H23BrFN3O4
IMp. K (EP) IMp. K (EP) 40610-41-1 C13H17NO3
4-(4-fluorobenzoyl)-3-(hydroxyMethyl)benzonitrile 4-(4-fluorobenzoyl)-3-(hydroxyMethyl)benzonitrile 260371-16-2 C15H10FNO2
Montelukast Impurity H Montelukast Impurity H 851755-56-1 C34H32ClNO4S
SalMeterol EP IMpurity F SalMeterol EP IMpurity F 1391054-40-2 C25H37NO3
[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophen-7-yl] [6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophen-7-yl] 1391054-73-1 C28H27NO4S
(R)-α-Methyl-N-[3-[3-(trifluoroMethyl)phenyl]Methyl]-1-naphthaleneMethaneaMine Hydrochloride (R)-α-Methyl-N-[3-[3-(trifluoroMethyl)phenyl]Methyl]-1-naphthaleneMethaneaMine Hydrochloride 1229225-42-6 C20H19ClF3N
3(S)-Hydroperoxy Simvastatin 3(S)-Hydroperoxy Simvastatin 1092716-44-3 C25H38O7
2(RS)-4-Methyl-1-(3-Methylpyridin-2-yl)-2-phenylpiperazine 2(RS)-4-Methyl-1-(3-Methylpyridin-2-yl)-2-phenylpiperazine 191546-94-8 C17H21N3
5-Methyl-2-(1H-1,2,3-triazol-1-yl)benzoic acid 5-Methyl-2-(1H-1,2,3-triazol-1-yl)benzoic acid 1149352-55-5 C10H9N3O2
Palonosetron Impurity 7 Palonosetron Impurity 7 177932-92-2 C18H24N2O
4-(2,3-Dichlorophenyl)-2,6-diMethyl-1,4-dihydropyridine-3,5-dicarboxylic acid 4-(2,3-Dichlorophenyl)-2,6-diMethyl-1,4-dihydropyridine-3,5-dicarboxylic acid 138279-32-0 C15H13Cl2NO4
IMp. A (EP) as Hydrochloride: 3-[[[2-[(DiaMinoMethylene)aMino]thiazol-4-yl]- Methyl]sulphanyl]propaniMidaMide Hydrochloride IMp. A (EP) as Hydrochloride: 3-[[[2-[(DiaMinoMethylene)aMino]thiazol-4-yl]- Methyl]sulphanyl]propaniMidaMide Hydrochloride
2-(MethylcarbaMoyl)benzoic acid 2-(MethylcarbaMoyl)benzoic acid 6843-36-3 C9H9NO3
1-(4-(2-Methoxyethyl)phenoxy)-3-(oxiran-2-ylMethoxy)propan-2-ol 1-(4-(2-Methoxyethyl)phenoxy)-3-(oxiran-2-ylMethoxy)propan-2-ol 1416440-64-6 C15H22O5
(3S,4S)-1-benzyl-N,4-diMethylpiperidin-3-aMine (3S,4S)-1-benzyl-N,4-diMethylpiperidin-3-aMine 1354621-59-2 C14H22N2
6-acetyl-2-aMino-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one 6-acetyl-2-aMino-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one 571189-64-5 C15H18N4O2
IMp. C (EP): Ethyl [(4-Methylphenyl)sulphonyl]-CarbaMate IMp. C (EP): Ethyl [(4-Methylphenyl)sulphonyl]-CarbaMate
IMp. C (EP): Methyl-2-[4-[2-[(4-Chlorobenzoyl)aMino]ethyl]phenoxy]-2-Methylpropanoate IMp. C (EP): Methyl-2-[4-[2-[(4-Chlorobenzoyl)aMino]ethyl]phenoxy]-2-Methylpropanoate
5-PyriMidinecarboxylic acid, 4-(4-fluorophenyl)-1,2-dihydro-6-(1-Methylethyl)-2-oxo-, Methyl ester 5-PyriMidinecarboxylic acid, 4-(4-fluorophenyl)-1,2-dihydro-6-(1-Methylethyl)-2-oxo-, Methyl ester 488798-37-4 C15H15FN2O3
Isotachysterol3 Isotachysterol3 22350-43-2 C27H44O
Nitrendipine Propyl Ester Nitrendipine Propyl Ester 225785-54-6 C19H22N2O6
O-DesMethyl Urapidil O-DesMethyl Urapidil 91453-03-1 C19H27N5O3
(1R,3R,4R)-Entecavir (1R,3R,4R)-Entecavir 1367369-76-3 C12H15N5O3
5-(5-chloro-1-(2-fluorophenyl)-2-oxopentyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate 5-(5-chloro-1-(2-fluorophenyl)-2-oxopentyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate 1056459-37-0 C20H21ClFNO3S
Linagliptin iMpurity Linagliptin iMpurity 2140263-92-7 C25H28N8O2
1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxaMide 1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxaMide 256376-62-2 C14H11FN4O
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