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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Riociguat Impurtiy 2 Riociguat Impurtiy 2
Topiroxostat Impurity 9 Topiroxostat Impurity 9 577778-82-6 C13H8N6O
Vonoprazan Impurity F Vonoprazan Impurity F
Vortioxetine Impurity 15 Vortioxetine Impurity 15 2099147-02-9 C28H34N4S2
Dapagliflozin Impurity H Dapagliflozin Impurity H
Dapoxetine Impurity C Dapoxetine Impurity C
Iodixanol Impurity Iodixanol Impurity
Levothyroxine EP Impurity B Levothyroxine EP Impurity B 1628720-66-0 C15H11ClI3NO4
Ribavirin Imp. EP) Ribavirin Imp. EP)
Sertraline EP Impurity Sertraline EP Impurity C17H17Cl2N
Vildagliptin Related Compound G Vildagliptin Related Compound G 1616662-84-0 C12H20N4O3
3-ethyl 5-isopropyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 3-ethyl 5-isopropyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 158151-92-9 C22H29ClN2O5
Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate 1234321-81-3 C13H12F3NO3
FG-4592 intermediate 8 FG-4592 intermediate 8 1509958-20-6 C20H17NO6
Parecoxib Sodium Imp.E Parecoxib Sodium Imp.E
Trelagliptin Impurity 7 Trelagliptin Impurity 7
Pramipexole impurity II Pramipexole impurity II
tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate 1651214-74-2 C29H37N7O4
Prasugrel Impurity 4 HCl Prasugrel Impurity 4 HCl 1618107-96-2 C20H22Cl2FNO3S
Tofacitinib Impurity K Tofacitinib Impurity K
N-(3-chloro-4-fluorophenyl)-7 -methoxy-6-(3-morpholinopropoxy)-N-(3-morpholinopropyl)quinazolin-4-amine N-(3-chloro-4-fluorophenyl)-7 -methoxy-6-(3-morpholinopropoxy)-N-(3-morpholinopropyl)quinazolin-4-amine 1502829-45-9 C29H37ClFN5O4
5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one 5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one 24021-90-7 C3H5N3O2
( 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}acetic acid tert-butylester ) ( 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}acetic acid tert-butylester ) 475084-96-9 C29H37N3O3
N-(4-Hydroxymethylbenzyl) Cyclam N-(4-Hydroxymethylbenzyl) Cyclam 176252-20-3 C18H32N4O
Alvimopan Impurity 3 Alvimopan Impurity 3
Nicergoline Impurity G Nicergoline Impurity G
Isavuconazole Impurity 1 Isavuconazole Impurity 1 2069200-13-9 C13H12F2N4O
Sofosbuvir Impurity23 Sofosbuvir Impurity23
Tacrolimus Impurity 1 Tacrolimus Impurity 1
Bisoprolol EP Impurity F Bisoprolol EP Impurity F 1798418-82-2 C18H31NO4
Pantoprazole EP Impurity F Pantoprazole EP Impurity F 721924-06-7 C17H17F2N3O4S
Rosuvastatin EP Impurity E Rosuvastatin EP Impurity E
(6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 1798390-48-3 C16H20N4O4S3
(S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD) (S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD)
Lincomycin EP Impurity B Lincomycin EP Impurity B 37744-65-3 C18H32N2O6S
Roxithromycin EP Impurity D Roxithromycin EP Impurity D 134931-00-3 C41H76N2O15
2-(pentan-3-yloxy)acetaldehyde 2-(pentan-3-yloxy)acetaldehyde 1141364-90-0 C7H14O2
Cabozantinib Impurity B Cabozantinib Impurity B
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine 1223404-88-3 C16H15F2N5
Ceftazidime Ep Impurity H Ceftazidime Ep Impurity H 1354396-23-8 C23H24N6O7S2
Parecoxib Sodium Impurity 14 Parecoxib Sodium Impurity 14 1709956-89-7 C19H18N2O4S
Benzoic acid, 2-[(methylamino)sulfonyl]- Benzoic acid, 2-[(methylamino)sulfonyl]- 125372-22-7 C8H9NO4S
1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) 1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) 126517-38-2 C19H24Cl4N2O
Benzene,1-ethoxy-4-(phenylmethyl)- Benzene,1-ethoxy-4-(phenylmethyl)- 35672-52-7 C15H16O
Donepezil Impurity Donepezil Impurity 36159-03-2 C22H22O5
tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate 1774898-55-3 C14H20N4O4
4-(2-Aminophenoxy)-N-methylpicolinamide 4-(2-Aminophenoxy)-N-methylpicolinamide 1153328-25-6 C13H13N3O2
Bupivacaine Impurity Bupivacaine Impurity 780736-98-3 C14H20N2O
rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine 161594-54-3 C14H20N2
1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane 1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane 51299-16-2 C24H28F6N4
(R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine (R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine 802918-35-0 C22H24F3N
Demiditraz racemate Demiditraz racemate 944263-08-5 C13H16N2
Ropivacaine-iPr Ropivacaine-iPr 175888-75-2 C17H26N2O
Demiditraz IMpurity Demiditraz IMpurity 944267-48-5 C19H18N2O
Betamethasone EP Impurity F Betamethasone EP Impurity F 330157-04-5 C22H28O4
Capecitabine Impurity 8 Capecitabine Impurity 8
Carfilzomib Impurity D Carfilzomib Impurity D
Cefodizime Impurity 4 Cefodizime Impurity 4
Cefradine impurity 5 Cefradine impurity 5 1379292-16-6 C10H17NO2
Clopidogrel Impurity 13 Clopidogrel Impurity 13 2173294-69-2 C16H16ClNO5S2
DecitaBine Impurity 12 DecitaBine Impurity 12
Erlotinib Impurity 28 Erlotinib Impurity 28
Fosaprepitant Impurity 12 Fosaprepitant Impurity 12 172673-19-7 C23H22F7N4O6P
Ibuprofen Impurity 2 Ibuprofen Impurity 2 C13H18O2
Imatinib Impurity 9 Imatinib Impurity 9
Isavuconazole Impurity 22 Isavuconazole Impurity 22
Isavuconazole Impurity 28 Isavuconazole Impurity 28
Levothyroxine Impurity 16 Levothyroxine Impurity 16 909279-46-5 C15H11ClI3NO4
Linagliptin Impurity 42 Linagliptin Impurity 42
PalBociclib Impurity 25 PalBociclib Impurity 25
Posaconazole Impurity 13 Posaconazole Impurity 13 357189-98-1 C37H40F2N8O6
Posaconazole Impurity 25 Posaconazole Impurity 25 1042398-26-4 C16H19F2IO3
Posaconazole Impurity 42 Posaconazole Impurity 42 357189-96-9 C36H40F2N8O5
Posaconazole Impurity 65 Posaconazole Impurity 65 2947625-11-6
Pramipexole Dimer Impurity (Mixture of Diastereomers) Pramipexole Dimer Impurity (Mixture of Diastereomers) 1147937-31-2 C13H23N3S
Sitafloxacin Impurity 1 Sitafloxacin Impurity 1
Sitagliptin Impurity 25 Sitagliptin Impurity 25
sofosBuvir impurity 47 sofosBuvir impurity 47
SofosBuvir Impurity 64 SofosBuvir Impurity 64
Tofacitinib Impurity W Tofacitinib Impurity W
Trelagliptin Impurity 21 Trelagliptin Impurity 21
2-chloromethyl-4-(3-hydroxypropoxy)-3-methylpyridine 2-chloromethyl-4-(3-hydroxypropoxy)-3-methylpyridine 117976-92-8 C10H14ClNO2
Oxytocin Impurity 3 Oxytocin Impurity 3
Rosuvastatin Impurity 158 Rosuvastatin Impurity 158
Rosuvastatin Impurity 139 Rosuvastatin Impurity 139
Rosuvastatin Impurity 124 Rosuvastatin Impurity 124
4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro- 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro- 79617-95-1 C17H17Cl2N
Ertapenem Impurity A(USP) Ertapenem Impurity A(USP)
D-Glutamic acid, 4-(cyanomethyl)-N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester, (4S)-rel- D-Glutamic acid, 4-(cyanomethyl)-N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester, (4S)-rel- 2740644-40-8 C14H22N2O6
2-hydroxy-3-oxobutyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate 2-hydroxy-3-oxobutyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2731089-65-7 C27H34N2O6
2-(2-ethoxy-3-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one 2-(2-ethoxy-3-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
Bumetanide Photodegradable Impurity 15 Bumetanide Photodegradable Impurity 15
Bisoprolol Impurity 48 Bisoprolol Impurity 48
Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-amino-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-, mono(trifluoroacetate) (salt) (9CI) Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-amino-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-, mono(trifluoroacetate) (salt) (9CI) 357448-34-1 C17H29F3N2O6
Faropenem Impurity AB Faropenem Impurity AB
Nirmatrelvir Impurity 9 Nirmatrelvir Impurity 9
4-nitro-1H-Imidazole-2-carboxaldehyde 4-nitro-1H-Imidazole-2-carboxaldehyde 33543-81-6 C4H3N3O3
1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE 1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE 1133-49-9 C10H13ClO3
Bumetanide Impurity 19 Bumetanide Impurity 19
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