β-Estradiol 3-benzoate 17-n-butyrate CAS 63042-18-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 63042-18-2 |
| Molecular Formula | C29H34O4 |
| Molecular Weight | 446.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies β-Estradiol 3-benzoate 17-n-butyrate (CAS 63042-18-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C29H34O4. Molecular weight: 446.58 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C29H34O4 |
| Molecular Weight | 446.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Estradiol Standards
- 17β-Estradiol 17β-D-Glucuronide (CAS 1806-98-0)
- 17beta-Estradiol 3-beta-D-Glucuronide (CAS 15270-30-1)
- 17β-Estradiol-d3 3-β-D-Glucuronide (CAS 1260231-06-8)
- Estradiol Valerate Impurity 20 (CAS CATO-C4X-284220)
- Estradiol Valerate EP Impurity E (CAS 63042-28-4)
- Estradiol Valerate EP Impurity H (CAS 1421283-56-8)
- Estradiol Impurity 35 (CAS 1373116-15-4)
- Estradiol Impurity 36 (CAS 1359847-39-4)
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- 1,6-Diphenylhexane-1,3,4,6-tetrone (CAS 53454-78-7)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
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