Supply Finasteride Intermediate CAS 104239-97-6 with 99% Purity
Product Description
Supply Finasteride Intermediate CAS 104239-97-6 with 99% Purity
CAS:104239-97-6
MF:C19H27NO3
MW:317.42
EINECS:
Synonyms:
4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLIC ACID;(5APHA,17BETA)-3-OXO-4-AZAANDROST-1-ENE-17-CARBOXYLIC ACID;3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylicAcid;(5alpha,17beta)-3-Oxo-4-azaandrost-1-ene-17-carboxylic acid;4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid;4-AZA-5A-ANDROSTAN-1-ENE-3-ONE-17β-CARBOXYLIC ACID;3-Oxo-4-aza-5a-androst-1-ene-17-carboxylic Acid;3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid
The COA of this product :
| ITEMS | SPECIFICATION | TESTRESULTS |
| Appearance | Off-white or white powder | Conforms |
| Identification | HPLC,NMR;LC-MS | Conforms |
| Related substances | Individual impurity≤0.5% | 0.09% |
| Total impurities≤1.0% | 0.20% | |
| Loss on drying | ≤0.5% | 0.3% |
| Residue on ignition | ≤0.1% | 0.04% |
| Heavy metals | ≤10ppm | Conforms |
| Assay | ≥98.0 % | 99.1% |