Estradiol Benzoate EP Impurity D CAS 983-30-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 983-30-2 |
| Molecular Formula | C25H28O3 |
| Molecular Weight | 376.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Estradiol Benzoate EP Impurity D (CAS 983-30-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H28O3. Molecular weight: 376.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H28O3 |
| Molecular Weight | 376.49 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Estradiol Standards
- Estradiol Benzoate EP Impurity E (CAS 6045-53-0)
- Estradiol benzoate (CAS 50-50-0)
- Estradiol Impurity 33 (CAS CATO-C4X-163633)
- Estradiol Impurity 38 (CAS 4966-70-5)
- Estradiol Benzoate EP Impurity G (CAS 2393-53-5)
- Estradiol Benzoate EP Impurity F (CAS 95870-51-2)
- 17β-Estradiol-16,16,17-d3 3-Benzoate (CAS 1192354-74-7)
- Estradiol Valerate impurity 21 (CAS 1313382-32-9)
Recommended Standards
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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