| | Identification | Back Directory |  | [Name] 
 Dihydroproscar
 |  | [CAS] 
 98319-24-5
 |  | [Synonyms] 
 Finasteride-A
 DIHYDROPROSCAR
 Dihydro Finasteride
 1,2-Dihydrofinasteride
 Finasteride IMpurity A
 Finasteride impurity A (EP)
 F9 / FINASTERIDE INTERMEDIATE
 Finasteride impurity A (EP) -C
 N-(1,1-Dimethylethyl)-3-oxo-4-aza-5
 3-Oxo-4-aza-5-alpha-androstane-17-beta-N-t-
 17β-(t-Butylcarbamoyl)-4-aza-5α-androstan-3-one
 N-t-Butyl-3-Oxo-4-Aza-5α-Androst-17β-CarboxaMide
 17 B-(T-BUTYLCARBAMOYL) -4-AZA-5 ANDROSTAN- 3-ONE
 Finasteride Impurity 1(Finasteride EP Impurity A)
 N-TERT-BUTYL-3-OXO-4-AZA-5-ANDROST-17SS-CARBOXAMIDE
 ANDROST-4-AZA-3-ONE-17BETA-N-TERT-BUTYL CARBOXAMIDE
 N-tert-butyl-3-oxo-4-aza-5α-androst-17β-carboxamide
 3-Oxo-4-Aza-5A-Androstane-17B-(N-T-Butyl)Carboxamide
 3-OXO-4-AZA-5A-ANDROSTANE-17B-(N-T-*BUTY LCARBOXAMID
 17β-(t-Butylcarbamoyl)-4-aza-5α-androstan-3-one (F9)
 3-Oxo-4-aza-5α-androstane-17β-(N-t-butylcarboxamide)
 17β-(t-Butylcarbamoyl)-4-aza-5a-androstan-3-one (F9)
 3-oxo-4-aza-5A-androstane-17B-(N-T-butylcarboxamoyl)
 N-TERT-BUTYL-3-OXO-4-AZA-5A-ANDROST-17BETA-CARBOXAMIDE
 3-Oxo-4-aza-5A-androstane-17beta-(N-T-butylcarboxamide)
 3-oxo-4-aza-5a-androstane-17b-(n-tert-butylcarboxamide)
 17-beta-(n-butylcarbaMoyl)-4-aza-5-alpha-androstan-3-one
 N-(tert-Butyl)-3-oxo-4-aza-5α-androstane-17β-carboxaMide
 N-T-BUTYL-4-AZA-5-ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXAMIDE
 N-(1,1-Dimethyl)-3-oxo-4-aza-5a-androstane-17b-carboxamide
 N-TERT-BUTYL-3-OXO-4-AZA-5ALPHA-ANDROST-17BETA-CARBOXAMIDE
 3-OXO-4-AZA-5-ALPHA-ANDROSTANE-17-BETA-N-T-BUTYLCARBOXAMIDE
 3-OXO-4-AZA-5A-ANDROSTANE-17-BETA-(N-TERT-BUTYLCARBOXAMIDE)
 3-OXO-4-AZA-5-ALPHA-ANDROSTANE-17-BELTA-N-T-BUTYLCARBOXAMIDE
 N-T-BUTYL-4-AZA-5-ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXAMIDE(F9)
 N-TERT-BUTYL-3-OXO-4-AZA-5ALPHA-ANDROSTANE-17BETA-CARBOXAMIDE
 3-OXO-4-AZA-5ALPHA-ANDROSTANE-17-BETA-(N-TERT-BUTYLCARBOXAMIDE)
 N-(1,1-DIMETHYLETHYL)-3-OXO-4-AZA-5A-ANDRO-STANE-17B-CARBOXAMIDE
 N-(U-Dimethylethyl)-3-Oxo-4" Aza-5o'-Androstane-17J6-Carboxamide
 3-Oxo-4-aza-5α-androstan-17β-carboxylic acid N-(tert-butyl)aMide
 (5α,17β)-N-(1,1-DiMethylethyl)-3-oxo-4-azaandrostane-17-carboxaMide
 4-Aza-N-(1,1-dimethylethyl)-3-oxo-5ALPHA-androstane-17B-carboxamide
 (5,ALPHA, 17BETA)-N-(1,1-DIMETHYLETHYL)-3-OXO-4-AZA-5-ANDROSTANE-17-CARBOXAMIDE
 N-(U- Dimethylcthyl)- 3-Oxo-4” Aza-5O’-Androstane -176-Carboxamide, Finasteride,
 N-(U-Dimethylcthyl)-3-Oxo-4-Aza-5-alpha-Androstane-17-beta-Carboxamide,Finasteride
 4A,6A,11A-TRIMETHYL-2-OXO-HEXADECAHYDRO-INDENO[5,4-F]QUINOLINE-7-CARBOXYLIC ACID TERT-BUTYLAMIDE
 Finasteride Impurity Ⅰ:Dihydro Finasteride(N-(tert-Butyl)-3-oxo-4-aza-5α-androstane-17β-carboxamide)
 (4AR,4bS,6aS,7S,9aS,9bS,11aR)-N-(tert-butyl)-4a,6a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide
 (2R,3R,4BS,6AS,7S,9AS,9BS)-4A,6A-DIMETHYL-2-OXO-HEXADECAHYDRO-INDENO[5,4-F]QUINOLINE-7-CARBOXYLIC ACID TERT-BUTYLAMIDE
 (4AR,4BS,6AS,7S,9AS,9BS,11AR)-4A,6A-DIMETHYL-2-OXO-HEXADECAHYDRO-INDENO[5,4-F]QUINOLINE-7-CARBOXYLIC ACID TERT-BUTYLAMIDE
 (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(1,1-DiMethylethyl)hexadecahydro-4a,6a-diMethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxaMide
 1H-Indeno[5,4-f]quinoline-7-carboxamide,N-(1,1-dimethylethyl)hexadecahydro-4a,6a-dimethyl-2-oxo-,(4aR,4bS,6aS,7S,9aS,9bS,11aR)-
 [4aR-(4aα,4bβ,6aα,7α,9aβ,9bα,11aβ)]-N-(1,1-DiMethylethyl)hexadecahydro-4a,6a-diMethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxaMide
 (1S,3aS,3bS,5aR,9aR,9bS,11aS)-N-tert-butyl-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-carboxamide
 |  | [EINECS(EC#)] 
 251-228-4
 |  | [Molecular Formula] 
 C23H38N2O2
 |  | [MDL Number] 
 MFCD00214352
 |  | [MOL File] 
 98319-24-5.mol
 |  | [Molecular Weight] 
 374.56
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 273-275 °C
 |  | [Boiling point ] 
 569.4±49.0 °C(Predicted)
 |  | [density ] 
 1.051±0.06 g/cm3(Predicted)
 |  | [storage temp. ] 
 −20°C
 
 |  | [solubility ] 
 Chloroform (Slightly), Methanol
 |  | [form ] 
 powder
 
 |  | [pka] 
 15.94±0.70(Predicted)
 |  | [color ] 
 yellow
 
 |  | [InChIKey] 
 ZOIUUCNFVDJSJK-WSBQPABSSA-N
 |  | [SMILES] 
 N1[C@@]2([H])[C@@](C)([C@@]3([H])CC[C@@]4(C)[C@]([H])([C@]3([H])CC2)CC[C@@H]4C(NC(C)(C)C)=O)CCC1=O
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 White Solid
 |  | [Uses] 
 The reduced product of Finasteride (F342000): a mechanism-based inhibitor of human prostate and skin steroid 5α-reductase. It forms an enzyme-bound NADP-dihydrofinasteride adduct during this inhibitor
y process.
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