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Dihydroproscar is used as a pharmaceutical intermediate. Dihydroproscar is the reduced product of Finasteride: a mechanism-based inhibitor of human prostate and skin steroid 5α-reductase. It forms an enzyme-bound NADP-dihydrofinasteride adduct during this inhibitory process.
| Items | Specification | Result |
| Assay | 97%-102% | 98.45% |
| Purity | ≥98.5% | 99.57% |
| Appearance | White to almost white crystalline powder | Conform |
| Related substance | Other individual impurity≤0.5% Total impurities≤1.5% | 0.08% 0.43% |
| Loss on drying | ≤0.5% | 0.12% |
| Water | ≤0.5% | 0.25% |
| Specific optical rotation | +56°~+64° | +57.68° |
| Melting point | 270-280℃ | 276.8-278.6℃ |
| Product parameters | |
| Cas number: | 98319-24-5 |
| Appearance: | White to almost white crystalline powder |
| Purity: | 98.5%min |
| Package details: | 1kg/foil bag;25kg/drum |
| Brand: | Fortunachem |
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-Di-p-toluoyl-L-tartaric_acid主图.jpg "China Factory Supply High Quality (-)-Di-p-toluoyl-L-tartaric acid CAS 32634-66-5")
