Δ6,7-Estradiol 3,17-Diacetate CAS 1971-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1971-65-9 |
| Molecular Formula | C22H26O4 |
| Molecular Weight | 354.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Δ6,7-Estradiol 3,17-Diacetate (CAS 1971-65-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H26O4. Molecular weight: 354.44 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C22H26O4 |
| Molecular Weight | 354.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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.) | 1957 |
Related Estradiol Standards
- ∆9(11)-Estradiol Diacetate (CAS 1169-54-6)
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- Estradiol 17beta-sulfate (CAS 3233-69-0)
- Estradiol Impurity 24 (CAS 3434-88-6)
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Recommended Standards
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- (3-Methylimidazo[1,2-a]pyridin-6-yl)methanamine (CAS 1216132-36-3)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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