Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
6,6'-oxybis(3-formylbenzonitrile) 6,6'-oxybis(3-formylbenzonitrile)
4-乙基-2,3-二氧代-N-苯基哌嗪-1-甲酰胺 4-乙基-2,3-二氧代-N-苯基哌嗪-1-甲酰胺 65322-79-4 C13H15N3O3
Cabozantinib Impurity EXA Cabozantinib Impurity EXA 1431468-36-8 C17H14F2N2O2
Tafluprost Impurity 13 Tafluprost Impurity 13
GLICLAZIDE IMPURITY B GLICLAZIDE IMPURITY B
ISOPROMETHAZINE HYDROCHLORIDE ISOPROMETHAZINE HYDROCHLORIDE 5568-90-1 C17H21ClN2S
ZOLPIDEM IMPURITY A ZOLPIDEM IMPURITY A 1346600-85-8 C19H21N3O
Carbamic acid, N-[(1S,2S,4S)-2-hydroxy-4-[[(2-methylpropoxy)carbonyl]amino]-5-phenyl-1-(phenylmethyl)pentyl]-, 5-thiazolylmethyl ester Carbamic acid, N-[(1S,2S,4S)-2-hydroxy-4-[[(2-methylpropoxy)carbonyl]amino]-5-phenyl-1-(phenylmethyl)pentyl]-, 5-thiazolylmethyl ester 1010809-39-8 C28H35N3O5S
Piperazine, 1,4-bis[2-[(2,4-dimethylphenyl)thio]phenyl]- Piperazine, 1,4-bis[2-[(2,4-dimethylphenyl)thio]phenyl]- 2243045-82-9 C32H34N2S2
2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoic acid 2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoic acid 1640351-46-7 C15H22N2O5
3-Desoxyvitamin D3 3-Desoxyvitamin D3 69662-75-5 C27H44
cis-Vitamin K2 cis-Vitamin K2 65061-19-0 C31H40O2
N,N'-((5-methylisoxazole-3,4-diyl)bis(3,1-phenylenesulfonyl))dipropionamide disodium salt N,N'-((5-methylisoxazole-3,4-diyl)bis(3,1-phenylenesulfonyl))dipropionamide disodium salt
Zanubrutinib Impurity Zanubrutinib Impurity
(O-Isobutyryl (R)-Fesoterodine (O-Isobutyryl (R)-Fesoterodine 1795786-25-2 C30H43NO4
Cefdinir Degradation Impurity 1 Cefdinir Degradation Impurity 1
Cephalexin Impurity C2 Cephalexin Impurity C2
Cefalexin Ethyl Homolog 2 Impurity Cefalexin Ethyl Homolog 2 Impurity
Piperacillin Impurity P Piperacillin Impurity P
1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole) 1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole) 2256739-22-5 C28H28F4N6O3
8-((R)-1-acryloylpiperidin-3-yl)-10-(4-phenoxyphenyl)-1,10b-dihydropyrazolo[4,3-e]pyrimido[1,2-c]pyrimidin-2(8H)-one 8-((R)-1-acryloylpiperidin-3-yl)-10-(4-phenoxyphenyl)-1,10b-dihydropyrazolo[4,3-e]pyrimido[1,2-c]pyrimidin-2(8H)-one
Levosimendan Impurity 16 Levosimendan Impurity 16 2290570-69-1 C11H12N2O
Tolvaptan Impurity 11 Tolvaptan Impurity 11 331947-69-4 C16H14ClNO2
(S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide (S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide 2432911-31-2 C11H18N2O3
(S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide (S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide
Peramivir Impurity 17 Peramivir Impurity 17
Peramivir Impurity 23 Peramivir Impurity 23
Silodosin Carboxylic Acid Impurity Silodosin Carboxylic Acid Impurity 1431373-77-1 C25H31F3N2O5
Pramipexole Impurity M Pramipexole Impurity M
Premastast Impurity 2 Premastast Impurity 2
Peramivir Impurity 26 Peramivir Impurity 26
Peramivir Impurity 34 Peramivir Impurity 34
(S)-2-(1-azabicyclo[2.2.2]oct-3-yl)-2,4,5,6-tetrahydro-1H-benz[de]isoquinolin-1-one hydrochloride (S)-2-(1-azabicyclo[2.2.2]oct-3-yl)-2,4,5,6-tetrahydro-1H-benz[de]isoquinolin-1-one hydrochloride
Imatinib impurity BY Imatinib impurity BY
6β-Methylprednisolone 6β-Methylprednisolone 18462-27-6 C22H30O5
DEXTROMETHORPHAN N-OXIDE DEXTROMETHORPHAN N-OXIDE 1177494-18-6 C18H25NO2
1-[(2-CHLOROPHENYL)DIPHENYLMETHYL]-1H-PYRAZOLE 1-[(2-CHLOROPHENYL)DIPHENYLMETHYL]-1H-PYRAZOLE C22H17ClN2
Celecoxib Impurity 2 Celecoxib Impurity 2 948293-46-7 C11H9F3N2
1-METHYL-4-PHENYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-5-AMINE 1-METHYL-4-PHENYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-5-AMINE 63156-74-1 C11H10F3N3
AURORA KA-7735 AURORA KA-7735 6487-86-1 C9H13NO2
Sugammadex sodium Impurity 45 Sugammadex sodium Impurity 45
Carboprost Trometamol 1 Carboprost Trometamol 1
Tenofovir Impurity 113 Tenofovir Impurity 113 1335287-28-9 C11H13IN4O
Cefazolin USP Impurity L-δ3 Cefazolin USP Impurity L-δ3
Cabozantinib impurity 38 Cabozantinib impurity 38
2-epi-(-)-EMtricitabine 2-epi-(-)-EMtricitabine 145416-34-8 C8H10FN3O3S
Parent nucleus of cefotiaM hydrochloride Parent nucleus of cefotiaM hydrochloride 372092-19-8 C13H21N7O3S2
Bisacodyl Related Compound E (20 mg) (2-[(4-Acetoxyphenyl)(pyridin-2-yl)methyl]phenyl acetate) Bisacodyl Related Compound E (20 mg) (2-[(4-Acetoxyphenyl)(pyridin-2-yl)methyl]phenyl acetate) 111664-35-8 C22H19NO4
6-(2,5-dichlorophenyl)-1,3,5-Triazine-2,4(1H,3H)-dione 6-(2,5-dichlorophenyl)-1,3,5-Triazine-2,4(1H,3H)-dione 30222-00-5 C9H5Cl2N3O2
(2'R)-2'-Deoxy-2'-fluoro-2'-Methyl-uridine 3',5'-dibenzoate (2'R)-2'-Deoxy-2'-fluoro-2'-Methyl-uridine 3',5'-dibenzoate 863329-65-1 C24H21FN2O7
Celecoxib iMpurity-A Celecoxib iMpurity-A
EMtricitabine iMpurity A EMtricitabine iMpurity A
RocuroniuMbroMide iMpurity D RocuroniuMbroMide iMpurity D
(3S,4R)-4-(4-Fluorophenyl)piperidine-3-Methanol Hydrochloride (3S,4R)-4-(4-Fluorophenyl)piperidine-3-Methanol Hydrochloride 220548-73-2 C12H17ClFNO
Cabozantinib impurity 57 Cabozantinib impurity 57
(2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride (2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride
(R)-2-((2R,5R)-3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid (R)-2-((2R,5R)-3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid 860011-30-9 C16H17N3O4S
Dapoxetine impurity 54 Dapoxetine impurity 54
Doxofylline Impurity 21 Doxofylline Impurity 21
Dapoxetine impurity 60 Dapoxetine impurity 60
Bosutinib Impurity 37 Bosutinib Impurity 37 2095306-27-5 C39H30Cl4N6O6
3-Hydroxy-1-methylindolin-5,6-dion 3-Hydroxy-1-methylindolin-5,6-dion 54-06-8 C9H9NO3
TELMISARTAN-D3 TELMISARTAN-D3 1189889-44-8 C33H27D3N4O2
4-(4-Chlor-1,2,5-thiadiazol-3-yl)morpholin 4-(4-Chlor-1,2,5-thiadiazol-3-yl)morpholin 30165-96-9 C6H8ClN3OS
Atomoxetine impurity D CRS Atomoxetine impurity D CRS 873310-29-3 C17H21NO
Beraprost Impurity 2 Beraprost Impurity 2
Brivudine Impurity 2 Brivudine Impurity 2
3-METHOXYCARBONYLAMINO-4-METHYLPYRIDINE 3-METHOXYCARBONYLAMINO-4-METHYLPYRIDINE 694495-63-1 C8H10N2O2
4-chloro-6-(1-(6-ethyl-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidine 4-chloro-6-(1-(6-ethyl-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidine
Empagliflozin Impurity 74 Empagliflozin Impurity 74
Empagliflozin Impurity 78 Empagliflozin Impurity 78
Empagliflozin Impurity 85 Empagliflozin Impurity 85
Relugolix Impurity 11 Relugolix Impurity 11
LaMotrigine IMpurity D LaMotrigine IMpurity D 661463-79-2 C9H5Cl2N3O2
DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride 139756-27-7 C15H15ClN4O4S
Rizatriptan IMpurity B Rizatriptan IMpurity B 1016900-28-9 C13H15ClN5
rac Adrenaline IMpurity D rac Adrenaline IMpurity D 1095714-91-2 C16H19NO3
2-(1-Methylethenyl)-6-(1-Methylethyl)phenol 2-(1-Methylethenyl)-6-(1-Methylethyl)phenol 74926-89-9 C12H16O
Irinotecan IMpurity G Irinotecan IMpurity G 947687-02-7 C35H42N4O6
5-[Bis(2-hydroxyethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid 5-[Bis(2-hydroxyethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid 109882-30-6 C16H23N3O4
5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide 5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide 325855-74-1 C18H15ClN2O3S
Lafutidine IMpuritiy B Lafutidine IMpuritiy B 174583-84-7 C22H29N3O5S
N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide 905858-63-1 C14H15NO5S2
4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 1357477-99-6 C13H14N2O6S
tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate 763114-04-1 C25H27FN4O4
1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 916975-92-3 C11H8F3N3O2
Edaravone iMpurity P3 Edaravone iMpurity P3 1323485-71-7 C13H16N2O4S
Ondansetron Impurity B Ondansetron Impurity B
LeflunoMide EP IMpurity F LeflunoMide EP IMpurity F 1403564-06-6 C12H9F3N2O2
4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid 4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid
Itraconazole iMpurity D Itraconazole iMpurity D
3-amino-2-chloroacrolein 3-amino-2-chloroacrolein 221615-73-2 C3H4ClNO
3-Amino-4-pyrazolecarbonitrile 3-Amino-4-pyrazolecarbonitrile 16617-46-2 C4H4N4
BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- 1391052-24-6 C20H20Cl2N2O3
4-ISOBUTYRYLACETOPHENONE 4-ISOBUTYRYLACETOPHENONE 103931-20-0 C12H14O2
ButanaMide, 4-hydroxy-N-(1-Methylethyl)- ButanaMide, 4-hydroxy-N-(1-Methylethyl)- 42042-66-0 C7H15NO2
5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 52549-07-2 C14H11NO3
IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin) IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin)
IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride 95062-18-3 C35H35ClF2N2
IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid
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