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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Dapagliflozin Impurity 32 Dapagliflozin Impurity 32 1528636-07-8 C22H27ClO7
1,1'-(1,4-phenylenebis(methylene))bis(1,4,8,11-tetraazacyclotetradecane 1-oxide) 1,1'-(1,4-phenylenebis(methylene))bis(1,4,8,11-tetraazacyclotetradecane 1-oxide) C28H54N8O2
N-(2-amino-6-oxo-3,6-dihydropyrimidin-4-yl)- N-(2-amino-6-oxo-3,6-dihydropyrimidin-4-yl)-
Droxidopa Impurity 6 Droxidopa Impurity 6 90044-46-5 C16H15NO4
Dofetilide Impurity B Dofetilide Impurity B
Cyclic Macitentan quarternary salt Impurity Cyclic Macitentan quarternary salt Impurity
Cefdinir CP Impurity I&J&K&L Cefdinir CP Impurity I&J&K&L
Dapoxetine Impurity 41 Dapoxetine Impurity 41
Doxofylline Impurity 16 Doxofylline Impurity 16
Olopatadine Impurity 5 Olopatadine Impurity 5 55690-18-1 C17H16O5
Taladafil Impurity 38 Taladafil Impurity 38
Gadobutrol Impurity 20 Gadobutrol Impurity 20
Dapagliflozin Impurity 48 Dapagliflozin Impurity 48 2069934-29-6 C15H14Cl2O
Cilostazol Impurity I Cilostazol Impurity I
Pramipexole DBTA Impurity Pramipexole DBTA Impurity 1821389-09-6 C7H8N2S
TERBUTALINE IMPURITY C TERBUTALINE IMPURITY C 139508-58-0 C12H17NO3
ZIDOVUDINE IMPURITY B ZIDOVUDINE IMPURITY B
Acetamide, N-[2-hydroxy-3-[4-[[2-(1-methylethoxy)ethoxy]methyl]phenoxy]propyl]-N-(1-methylethyl)- Acetamide, N-[2-hydroxy-3-[4-[[2-(1-methylethoxy)ethoxy]methyl]phenoxy]propyl]-N-(1-methylethyl)- 66722-65-4 C20H33NO5
Pyrimidine, 4-bromo-6-(1-bromoethyl)-5-fluoro- Pyrimidine, 4-bromo-6-(1-bromoethyl)-5-fluoro- 1307315-02-1 C6H5Br2FN2
4-(3,4-dichlorophenyl)-N-methyl-3,4-dihydro-2H-naphthalen-1-imine oxide 4-(3,4-dichlorophenyl)-N-methyl-3,4-dihydro-2H-naphthalen-1-imine oxide 209473-00-7 C17H15Cl2NO
Tazobactam Impurity EBT Tazobactam Impurity EBT
Mixture of Cefoxitin Impurities E&F Mixture of Cefoxitin Impurities E&F
Faropenem Degradation Impurity 4 Faropenem Degradation Impurity 4
7-(2-hydroxy-1,1-dimethoxypropyl)-5H-chromeno[2,3-b]pyridin-5-ol 7-(2-hydroxy-1,1-dimethoxypropyl)-5H-chromeno[2,3-b]pyridin-5-ol
2-chloro-1-(5-methoxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one 2-chloro-1-(5-methoxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one
Oxacillin Impurity 3 Oxacillin Impurity 3 21106-64-9 C19H18ClN3O5S
Latanoprost Impurity 3 Latanoprost Impurity 3 2278245-92-2 C27H41BrO5
Ethyl 2-(2-Iodoethoxy)acetate Ethyl 2-(2-Iodoethoxy)acetate 56703-25-4 C6H11IO3
Butyphthalide impurity 53 Butyphthalide impurity 53
6,8-DIBROMO-3-CYCLOHEXYL-3,4-DIHYDRO-2(1H)-QUINAZOLINONE 6,8-DIBROMO-3-CYCLOHEXYL-3,4-DIHYDRO-2(1H)-QUINAZOLINONE 21237-84-3 C14H16Br2N2O
DESTHIAZOLYLMETHYL RITONAVIR DESTHIAZOLYLMETHYL RITONAVIR 256328-82-2 C33H43N5O4S
S-DIDEMETHYL CITALOPRAM S-DIDEMETHYL CITALOPRAM 166037-78-1 C18H17FN2O
METHOTREXATE DIMETHYL ESTER METHOTREXATE DIMETHYL ESTER 34378-65-9 C22H26N8O5
3-(4-FLUORO-PHENYL)-1-ISOPROPYL-1H-INDOLE-2-CARBALDEHYDE 3-(4-FLUORO-PHENYL)-1-ISOPROPYL-1H-INDOLE-2-CARBALDEHYDE 101125-34-2 C18H16FNO
3,4-Dimethoxysalicylaldehyd 3,4-Dimethoxysalicylaldehyd 19283-70-6 C9H10O4
Sugammadex sodium Org199129-1 Impurity Sugammadex sodium Org199129-1 Impurity
Sugammadex sodium Impurity 41 Sugammadex sodium Impurity 41
4-(5-methyl-2-phenyloxazol-4-yl)benzenesulfonamide 4-(5-methyl-2-phenyloxazol-4-yl)benzenesulfonamide 2242749-01-3 C16H14N2O3S
Cefazolin Impurity EP-I Cefazolin Impurity EP-I
Cabozantinib impurity 42 Cabozantinib impurity 42
Cabozantinib impurity 55 Cabozantinib impurity 55
Canagliflozin Impurity 68 Canagliflozin Impurity 68
Dapoxetine impurity 51 Dapoxetine impurity 51
Doxofylline Impurity 20 Doxofylline Impurity 20
Dapoxetine impurity 64 Dapoxetine impurity 64
Dapoxetine impurity 58 Dapoxetine impurity 58
4-PYRIDIN-4-YL-BUTYRIC ACID 4-PYRIDIN-4-YL-BUTYRIC ACID 102878-73-9 C9H11NO2
1-Ethyl-2-[[(2-methoxy-5-sulphamoyl 1-Ethyl-2-[[(2-methoxy-5-sulphamoyl
2-(4-Bromo-3-formylphenoxy)-benzonitrile 2-(4-Bromo-3-formylphenoxy)-benzonitrile 1160182-46-6 C14H8BrNO2
Carbetocin S-Oxide I Carbetocin S-Oxide I
Dolutegravir Impurity 15 Dolutegravir Impurity 15
PeraMpanel PeraMpanel 380919-67-5 C23H15N3O2
Empagliflozin Impurity 86 Empagliflozin Impurity 86
Olopatadine Impurity 11 HBr Olopatadine Impurity 11 HBr 4174-84-9 C21H24Br2NP
Iohexol Impurity P Iohexol Impurity P
Sulbactam Impurity 2 Sulbactam Impurity 2 111790-24-0 C8H13NO6S
Vortioxetine Impurity 8 HCl Vortioxetine Impurity 8 HCl 2137722-14-4 C18H23ClN2S
Relugolix Impurity 1 Relugolix Impurity 1
Oseltamivir Diastereomer III HCl Oseltamivir Diastereomer III HCl 2413185-95-0 C16H28N2O4
Rocuronium bromide impurity (3,16,17-triol) Rocuronium bromide impurity (3,16,17-triol) C23H39NO4
4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid 4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid C17H13ClN2O4
Ornidazole Impurity 26 Ornidazole Impurity 26
Pitavastatin Impurity 73 Pitavastatin Impurity 73
Furosemide Impurity 24 Furosemide Impurity 24
Brivaracetam Impurity 34 Brivaracetam Impurity 34
2-(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetic acid 2-(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetic acid 55699-12-2 C14H20O3
(S)-Fesoterodine FuMarate (S)-Fesoterodine FuMarate 1431511-18-0 C30H41NO7
(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity) (3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Levofloxacin IMpurity) 106939-30-4 C19H22FN3O4
(6S,12bR)-6-(1,3-Benzodioxol-5-yl)-2,3,7,12b-tetrahydro-2-Methyl-pyrazino[1',2':1,5]pyrrolo[3,4-b]quinoline-1,4,12(6H)-trione (6S,12bR)-6-(1,3-Benzodioxol-5-yl)-2,3,7,12b-tetrahydro-2-Methyl-pyrazino[1',2':1,5]pyrrolo[3,4-b]quinoline-1,4,12(6H)-trione 531500-48-8 C22H17N3O5
1-(3,5-Dihydroxyphenyl)-2-[(1,1-diMethylethyl)(phenylMethyl)aMino]ethanone HydrobroMide 1-(3,5-Dihydroxyphenyl)-2-[(1,1-diMethylethyl)(phenylMethyl)aMino]ethanone HydrobroMide 94109-61-2 C19H23NO3
2-Methyl-5-(3-(4-(Methylsulfonyl)phenyl)furan-2-yl)pyridine 2-Methyl-5-(3-(4-(Methylsulfonyl)phenyl)furan-2-yl)pyridine 307531-96-0 C17H15NO3S
3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid 437717-43-6 C17H20N4O5S
3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4R-phenyl-2-oxazolidinone 3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4R-phenyl-2-oxazolidinone 404874-93-7 C20H18FNO4
5-[Bis(2-chloroethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid Methyl Ester 5-[Bis(2-chloroethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid Methyl Ester 109882-25-9 C17H23Cl2N3O2
Caspofungin IMpurity A Caspofungin IMpurity A 1202167-57-4 C51H86N10O15
DesdifluoroMethoxy Hydroxy Pantoprazole DesdifluoroMethoxy Hydroxy Pantoprazole 1261238-06-5 C15H15N3O4S
Levofloxacin Hydroxy Acid Levofloxacin Hydroxy Acid 1036016-10-0 C18H21F2N3O4
N-(4,5-Dihydro-1H-iMidazol-2-yl)-6-quinoxalinaMine N-(4,5-Dihydro-1H-iMidazol-2-yl)-6-quinoxalinaMine 91147-43-2 C11H11N5
Nor Lidocaine Hydrochloride Nor Lidocaine Hydrochloride 7729-94-4 C12H19ClN2O
rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate 136310-66-2 C18H19NO3S2
(11β)-17-(Acetyloxy)-11-[4-(diMethylaMino)phenyl]-3-hydroxy-19-norpregna-1,3,5(10)-trien-20-one (11β)-17-(Acetyloxy)-11-[4-(diMethylaMino)phenyl]-3-hydroxy-19-norpregna-1,3,5(10)-trien-20-one 709615-25-8 C30H37NO4
4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-benzeneacetic Acid 4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-benzeneacetic Acid 1187954-57-9 C32H37NO3
(2S,3R,4R,5S)-1-(2-hydroxyethyl)-2-(hydroxymethyl)-3,4,5-Piperidinetriol Hydrochloride (2S,3R,4R,5S)-1-(2-hydroxyethyl)-2-(hydroxymethyl)-3,4,5-Piperidinetriol Hydrochloride 1370331-33-1 C8H17NO5
(3S,5R)-Rosuvastatin (3S,5R)-Rosuvastatin 1242184-42-4 C22H28FN3O6S
(S)-5-(2-AMinopropyl)-2-MethoxybenzenesulfonaMide (S)-5-(2-AMinopropyl)-2-MethoxybenzenesulfonaMide 119714-13-5 C10H16N2O3S
Cefoxitin iMpurity F (S-Methoxy cefoxitin) Cefoxitin iMpurity F (S-Methoxy cefoxitin)
Clopidogrel IMpurity 1 Clopidogrel IMpurity 1 C15H14ClNO2S
LincoMycin iMpurity A LincoMycin iMpurity A
Posaconazole iMpurity 1 Posaconazole iMpurity 1
Riociguat IMpurtiy Riociguat IMpurtiy 2920299-23-4
TelMisartan IMpurity E TelMisartan IMpurity E
IverMectin B1 Mono-sugar Derivative IverMectin B1 Mono-sugar Derivative 71837-27-9 C41H62O11
Desethyl Acetate (E)-CefuroxiMe Axetil Desethyl Acetate (E)-CefuroxiMe Axetil 97232-97-8 C16H16N4O8S
N-Methyl-3-phenylpropan-1-aMine hydrochloride (RelCpd B) N-Methyl-3-phenylpropan-1-aMine hydrochloride (RelCpd B) 30684-07-2 C10H16ClN
1-[2-[(2,6-diMethylphenyl)thio]phenyl]- Piperazine 1-[2-[(2,6-diMethylphenyl)thio]phenyl]- Piperazine 508233-76-9 C18H22N2S
1-NaphthaleneMethanaMine, α-Methyl-N-[[3-(trifluoroMethyl)phenyl]Methyl]-, (αR)- 1-NaphthaleneMethanaMine, α-Methyl-N-[[3-(trifluoroMethyl)phenyl]Methyl]-, (αR)- 1229512-52-0 C20H18F3N
Benzoic acid, 2-[[[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]aMino]carbonyl]- Benzoic acid, 2-[[[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]aMino]carbonyl]- 1365267-37-3 C22H21N3O7
NSC 609249 NSC 609249 51012-67-0 C12H20ClNO2
1-[(4-Ethoxy-3-formylphenyl)sulfonyl]-4-methylpiperazine 1-[(4-Ethoxy-3-formylphenyl)sulfonyl]-4-methylpiperazine 332374-42-2 C14H20N2O4S
ApovincaMinic Acid Ethyl Ester N-Oxide ApovincaMinic Acid Ethyl Ester N-Oxide 109741-24-4 C22H26N2O3
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