4-Hydroxy Estrone-d4 CAS 81586-98-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 81586-98-3 |
| Molecular Formula | C18H18D4O3 |
| Molecular Weight | 290.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Hydroxy Estrone-d4 (CAS 81586-98-3) pharmaceutical standards reference standard. Molecular formula: C18H18D4O3. Molecular weight: 290.39 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H18D4O3 |
| Molecular Weight | 290.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
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