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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Timolol maleate impurity 02 Timolol maleate impurity 02
Fondaparinux sodium impurity 19 Fondaparinux sodium impurity 19
Lasmiditan Impurity 3 Lasmiditan Impurity 3 2941086-99-1
Olaparib Adduct Impurity Olaparib Adduct Impurity
8-chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b] pyridine 8-chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b] pyridine 2514965-36-5
Febuxostat impurity EOX Febuxostat impurity EOX
Methyl-4-hydroxy-2-methyl-2H-1,2-benzothiazin-3-carboxylat-1,1-dioxid Methyl-4-hydroxy-2-methyl-2H-1,2-benzothiazin-3-carboxylat-1,1-dioxid 35511-15-0 C11H11NO5S
Olodaterol Impurity 26 Olodaterol Impurity 26
2H-3-Benzazepin-2-one, 3-[3-[[(2S)-3-chloro-2-(3,4-dimethoxyphenyl)propyl]methylamino]propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy- 2H-3-Benzazepin-2-one, 3-[3-[[(2S)-3-chloro-2-(3,4-dimethoxyphenyl)propyl]methylamino]propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy- 2768438-46-4 C27H37ClN2O5
Ethacridine Impurity 5 Ethacridine Impurity 5 869002-00-6
Olodaterol Impurity 29 Olodaterol Impurity 29
Elagolix Impurity 40 Elagolix Impurity 40
8-chloro-6-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-7-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 8-chloro-6-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-7-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 2365490-44-2 C13H8ClF2NO4
[3-[[[2-(Diaminomethyleneamino)-4-thiazolyl]methyl]thio]propionyl]sulfamide [3-[[[2-(Diaminomethyleneamino)-4-thiazolyl]methyl]thio]propionyl]sulfamide 106433-44-7 C8H14N6O3S3
3-Formyl-25-desacetyl Rifamycin 3-Formyl-25-desacetyl Rifamycin 16783-97-4 C36H45NO12
4-(3-Methylphenyl)-2H-pyrido[4,3-e]-1,2,4-thiadiazin-3(4H)-one 1,1-Dioxide 4-(3-Methylphenyl)-2H-pyrido[4,3-e]-1,2,4-thiadiazin-3(4H)-one 1,1-Dioxide 72810-61-8 C13H11N3O3S
8-Desacetyl-8-carboxy Daunorubicin Hydrochloride 8-Desacetyl-8-carboxy Daunorubicin Hydrochloride 58199-96-5 C26H27NO11.ClH
D,L N,O-Didesmethylvenlafaxine D,L N,O-Didesmethylvenlafaxine 135308-74-6 C15H23NO2
Desmethyl Erlotinib Acetate Desmethyl Erlotinib Acetate 183320-15-2 C23H23N3O5
Erythromycin E_x000b_Discontinued Erythromycin E_x000b_Discontinued 41451-91-6 C37H65NO14
2-(3,4-dihydroxyphenyl)acetaldehyde 2-(3,4-dihydroxyphenyl)acetaldehyde 5707-55-1 C8H8O3
NSC 77154 NSC 77154 4121-39-5 C8H9N5
N-Methyl-N,N-bis(2-pyridylethyl)amine N-Methyl-N,N-bis(2-pyridylethyl)amine 5452-87-9 C15H19N3
Benazepril Related Compound F Benazepril Related Compound F
1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-, (2S-trans)- 1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-, (2S-trans)- 111188-70-6 C22H26N2O4S
1H-Benzimidazole-2-sulfinicacid(9CI) 1H-Benzimidazole-2-sulfinicacid(9CI) 58536-71-3 C7H6N2O2S
1(3H)-Isobenzofuranone,3-methyl-(9CI) 1(3H)-Isobenzofuranone,3-methyl-(9CI) 3453-64-3 C9H8O2
4-hydroxyurapidil 4-hydroxyurapidil 88733-12-4 C20H29N5O4
desisopropylprocaterol desisopropylprocaterol 63483-95-4 C13H16N2O3
10-bromocarbamazepine 10-bromocarbamazepine 59690-97-0 C15H11BrN2O
ethyl apovincaminate ethyl apovincaminate 42971-12-0 C22H26N2O2
ALS 8123 ALS 8123 81148-15-4 C15H23NO4
Ro 14-7437 Ro 14-7437 78756-03-3 C15H15N3O3
4-(2-Cyanophenyl)benzaldehyde 4-(2-Cyanophenyl)benzaldehyde 135689-93-9 C14H9NO
2-(N,N-DIETHYLAMINO)-4,6-DICHLOROTRIAZINE 2-(N,N-DIETHYLAMINO)-4,6-DICHLOROTRIAZINE 2401-64-1 C5H6Cl2N4
(S)-4-Chloro-1,3-butanediol (S)-4-Chloro-1,3-butanediol 139013-68-6 C4H9ClO2
6-CHLORO-1-METHYLURACIL 6-CHLORO-1-METHYLURACIL 31737-09-4 C5H5ClN2O2
Ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate Ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate 179688-26-7 C15H21NO8
Hexyl methanesulfonate Hexyl methanesulfonate 16156-50-6 C7H16O3S
5-CHLOROTHIOPHENE-3-CARBOXYLIC ACID 5-CHLOROTHIOPHENE-3-CARBOXYLIC ACID 36157-42-3 C5H3ClO2S
(S)-(+)-1-[(4-Chlorophenyl)phenylmethyl]piperazine (S)-(+)-1-[(4-Chlorophenyl)phenylmethyl]piperazine 439858-21-6 C17H19ClN2
2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 133330-61-7 C14H9Cl2NO
2-Isopropyl-6-propylphenol (Propofol Impurity O) 2-Isopropyl-6-propylphenol (Propofol Impurity O) 74663-48-2 C12H18O
2-(3,4-Dimethoxyphenyl)-3-methylbutyronitril 2-(3,4-Dimethoxyphenyl)-3-methylbutyronitril 20850-49-1 C13H17NO2
HYDROXY ITRACONAZOLE HYDROXY ITRACONAZOLE 112559-91-8 C35H38Cl2N8O5
1-HEXADECANOYL-2-(P-NITROPHENOXYSUCCINOYL)-SN-GLYCERYL-3-PHOSPHORYLCHOLINE 1-HEXADECANOYL-2-(P-NITROPHENOXYSUCCINOYL)-SN-GLYCERYL-3-PHOSPHORYLCHOLINE 170569-87-6 C16H12F3N3O2S
N-methyl-N-(4-nitrophenyl)-2-(piperazin-1-yl)acetamide N-methyl-N-(4-nitrophenyl)-2-(piperazin-1-yl)acetamide 1038972-16-5 C13H18N4O3
(R)-SN-38 (R)-SN-38 647852-82-2 C22H20N2O5
5'-Deoxy-5-fluoro-N4-(isopentyloxycarbonyl)cytidine 5'-Deoxy-5-fluoro-N4-(isopentyloxycarbonyl)cytidine 162204-30-0 C15H22FN3O6
4-[(2,3-Dihydro-5,6-dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine Hydrochloride 4-[(2,3-Dihydro-5,6-dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine Hydrochloride 1034439-57-0 C24H32ClNO2
5-(aminosulfonyl)-2-methoxybenzamide 5-(aminosulfonyl)-2-methoxybenzamide 52395-25-2 C8H10N2O4S
PIPERIDINE-3-CARBOXYLIC ACID (2,6-DIMETHYL-PHENYL)-AMIDE PIPERIDINE-3-CARBOXYLIC ACID (2,6-DIMETHYL-PHENYL)-AMIDE 337488-90-1 C14H20N2O
N-Desmethyl Citalopram-d4 Oxalate N-Desmethyl Citalopram-d4 Oxalate 62498-68-4 C21H21FN2O5
2-Ethoxy-6-nitro-9-acridinamine 2-Ethoxy-6-nitro-9-acridinamine 20304-70-5 C15H13N3O3
4-O-Carboxymethyl-21-deoxy-20-hydroxy-21-oxorifamycin 4-O-Carboxymethyl-21-deoxy-20-hydroxy-21-oxorifamycin 15271-73-5 C39H47NO15
(3,4-Dimethoxyphenyl)isopropyl ketone (3,4-Dimethoxyphenyl)isopropyl ketone 14046-55-0 C12H16O3
2,3-Dichloro-5,6-diphenylpyrazine 2,3-Dichloro-5,6-diphenylpyrazine 57038-62-7 C16H10Cl2N2
DIDESMETHYL CITALOPRAM-D4 DIDESMETHYL CITALOPRAM-D4 62498-69-5 C18H17FN2O
Sitagliptin IMpurity 4 Sitagliptin IMpurity 4
Brexpiprazole Impurity1 Brexpiprazole Impurity1
Alvimopan Impurity 1 Alvimopan Impurity 1 2250243-53-7 C14H19NO
Febuxostat Impurity A Febuxostat Impurity A
Fingolimod Hexyl Impurity Fingolimod Hexyl Impurity 1201794-93-5 C17H29NO2
Palbociclib Impurity 1 Palbociclib Impurity 1
Trelagliptin Impurity 8 Trelagliptin Impurity 8
Bromhexine Impurity H Bromhexine Impurity H 63471-27-2 C14H21BrN2
Rivaroxaban Impurity 11 Rivaroxaban Impurity 11 1411775-06-8 C14H17N3O4
(R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl propionate (R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl propionate C25H35NO3
Flomoxef Impurity 4 Flomoxef Impurity 4
Nicardipine Impurity 5 Nicardipine Impurity 5
11,11'-(PIPERAZINE-1,4-DIYL)-BIS-8-CHLORO-5H-DIBENZE[B,E][1,4]-DIAZEPINE 11,11'-(PIPERAZINE-1,4-DIYL)-BIS-8-CHLORO-5H-DIBENZE[B,E][1,4]-DIAZEPINE 263366-81-0 C30H24Cl2N6
Sacubitril Impurity 7 Sacubitril Impurity 7 149709-44-4 C22H25NO5
Valsartan Impurity 5 Valsartan Impurity 5 1266616-11-8 C18H21N5
Milnacipran Impurity 4 Milnacipran Impurity 4 1353644-49-1 C15H21NO2
Heptyl Deoctyl Fingolimod Hydrochloride Heptyl Deoctyl Fingolimod Hydrochloride 745767-97-9 C18H31NO2
Tenofovir Fumarate Tenofovir Fumarate 1246812-23-6 C21H34N5O9P
Prucalopride Impurity C Prucalopride Impurity C 1599434-55-5 C17H24ClN3O3
1-cyclopropyl-7-fluoro-8-methoxy-6-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 1-cyclopropyl-7-fluoro-8-methoxy-6-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 2205053-60-5 C21H24FN3O4
Brexpiprazole N-Oxide Brexpiprazole N-Oxide 1191900-58-9 C25H27N3O3S
2,6-Dibenzyloxyacetophenone 2,6-Dibenzyloxyacetophenone 3886-19-9 C22H20O3
ethyl(4aS,9bR)-6-bromo-1,3,4,4a,5,9b-hexahydro-2H-pyrido[4,3-b]indole-2-carboxylate ethyl(4aS,9bR)-6-bromo-1,3,4,4a,5,9b-hexahydro-2H-pyrido[4,3-b]indole-2-carboxylate 1059630-08-8 C14H17BrN2O2
diphenhydramine impurity diphenhydramine impurity C17H21NO
1,1-dimethyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-ium iodide 1,1-dimethyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-ium iodide C18H23IN4S
2-(4-butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid 2-(4-butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid 1657014-33-9 C16H16N2O3S
vildagliptin Impurity O vildagliptin Impurity O 2253194-12-4 C12H18N4O2
methyl (41R,12S,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate methyl (41R,12S,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 38990-17-9 C21H26N2O3
Canagliflozin Impurity 17 Canagliflozin Impurity 17 1951467-28-9 C24H23FO6S
Canagliflozin Impurity 22 Canagliflozin Impurity 22
Carfilzomib Impurity 3 Carfilzomib Impurity 3
Dolutegravir Impurity 4 Dolutegravir Impurity 4
Febuxostat Impurity 20 Febuxostat Impurity 20
Lenvatinib Impurity 1 Lenvatinib Impurity 1
methyl (41S,12S,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate methyl (41S,12S,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 83508-82-1 C21H26N2O3
4-[6-[(8-cyclopentyl-6-ethenyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid tert-butyl ester 4-[6-[(8-cyclopentyl-6-ethenyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid tert-butyl ester 1941177-45-2 C29H37N7O3
Cabozantinib impurity 1 Cabozantinib impurity 1 748707-58-6 C17H16N2O3
Amlodipine Impurity 19 Amlodipine Impurity 19 C26H31ClN2O8S
Amlodipine Impurity 9 Amlodipine Impurity 9 90445-05-9 C26H31ClN2O8S
Clopidogrel Impurity 7 Clopidogrel Impurity 7 444728-13-6 C15H15ClN2OS
Rivaroxaban Impurity 36 Rivaroxaban Impurity 36 1770812-39-9 C19H17Cl2N3O5S
(S)-methyl 2-((2'-(2H-tetrazol-5-yl)biphenyl-4-yl)methylamino)-3-methylbutanoate (S)-methyl 2-((2'-(2H-tetrazol-5-yl)biphenyl-4-yl)methylamino)-3-methylbutanoate 1111177-24-2 C20H23N5O2
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