Ethynyl Estradiol 3-Acetate CAS 5779-47-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5779-47-5 |
| Molecular Formula | C22H26O3 |
| Molecular Weight | 338.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethynyl Estradiol 3-Acetate (CAS 5779-47-5) pharmaceutical standards reference standard. Molecular formula: C22H26O3. Molecular weight: 338.44 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H26O3 |
| Molecular Weight | 338.44 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.) | 1958 |
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Recommended Standards
- Methyl 1,4-Dibenzyl-1,4-diazepane-2-carboxylate (CAS 220364-78-3)
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- Methyl 3-amino-2-((4-benzylpiperidin-1-yl)methyl)benzoate (CAS 860783-81-9)
- 2-cyano-3-(1-methyl-1H-pyrazol-4-yl)prop-2-enoic acid (CAS 1158142-40-5)
- tert-Butyl N-[(2-chloropyridin-4-yl)methyl]carbamate (CAS 916210-27-0)
- 3-(4-(4-Bromophenyl)-5-((3-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 678971-55-6)
- 1,3-Bis(hydroxymethyl)thiourea (CAS 3084-25-1)
- 5-Bromobenzofuran-2-carboxamide, 97% (CAS 35351-21-4)
- Tert-butyl (4-ethyl-2-(piperidin-4-yl)hexyl)carbamate (CAS 1306604-06-7)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com