VAQORASynonyms: Methyl 4-aza-5alpha-Androsta-3-one-17beta-Carboxylate · Methyl 4-aza-5alpha-androstan-3-one-17beta-carboxylate · Methyl 4-Aza-3-oxo-androstane-17beta-carboxylate · Methyl 4-Aza-3-oxo-androstane-17b-carboxylate
Finasteride Dihydro Carboxylic Acid Methyl Ester (CAS 73671-92-8) – Finasteride impurity standard. C20H31NO3, MW 333.5. With COA, ships worldwide.
Listed under CAS 73671-92-8, Finasteride Dihydro Carboxylic Acid Methyl Ester is an impurity of Finasteride available from Vaqora Chemicals. Its molecular formula is C20H31NO3 and its molecular weight is 333.5 g/mol. Alternative names: Methyl 4-Aza-3-oxo-androstane-17b-carboxylate.
The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.
Pharmaceutical QC and development laboratories use this impurity standard of Finasteride to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies Finasteride Dihydro Carboxylic Acid Methyl Ester in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
View every impurity, metabolite and intermediate we list for Finasteride.
Finasteride impurities| Product name | Finasteride Dihydro Carboxylic Acid Methyl Ester |
|---|---|
| Catalogue No. | VQ-030737 |
| CAS Number | 73671-92-8 |
| IUPAC name | methyl (1S,3aS,3bS,5aR,9aR,9bS,11aS)-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-carboxylate |
| Molecular formula | C20H31NO3 |
| Molecular weight | 333.5 g/mol |
| Exact mass | 333.2304 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | ZIJOERJCUZAWQB-ALHYADCGSA-N |
| SMILES | C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(=O)OC)CC[C@@H]4[C@@]3(CCC(=O)N4)C |
| PubChem CID | 13391401 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 3.6 |
| H-bond donors / acceptors | 1 / 3 |
| TPSA | 55.4 Ų |
| Synonyms | Methyl 4-aza-5alpha-Androsta-3-one-17beta-Carboxylate, Methyl 4-aza-5alpha-androstan-3-one-17beta-carboxylate, Methyl 4-Aza-3-oxo-androstane-17beta-carboxylate, Methyl 4-Aza-3-oxo-androstane-17b-carboxylate, (5, A,17, A)-3-Oxo-4-aza-androstane-17-carboxylic acid methyl ester |
The CAS Registry Number of Finasteride Dihydro Carboxylic Acid Methyl Ester is 73671-92-8. It is also known as Methyl 4-aza-5alpha-Androsta-3-one-17beta-Carboxylate, Methyl 4-aza-5alpha-androstan-3-one-17beta-carboxylate, Methyl 4-Aza-3-oxo-androstane-17beta-carboxylate.
Finasteride Dihydro Carboxylic Acid Methyl Ester has the molecular formula C20H31NO3 and a molecular weight of 333.5 g/mol. Its IUPAC name is methyl (1S,3aS,3bS,5aR,9aR,9bS,11aS)-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-carboxylate.
Finasteride Dihydro Carboxylic Acid Methyl Ester is supplied as a characterised reference material related to Finasteride. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
We supply Finasteride Dihydro Carboxylic Acid Methyl Ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Yes. Every lot of Finasteride Dihydro Carboxylic Acid Methyl Ester is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Yes. We export Finasteride Dihydro Carboxylic Acid Methyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
We reply within one business day with price, pack options, lead time and documentation.
![(4AR,4bS,6aS,7S,9aS,9bS)-N-(1,1-Dimethylethyl)-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-4a,6a-dimethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxamide chemical structure](/media/structures/IHYQEUFHHYXVFL-FIIPNDBVSA-N.svg)
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