Megestrol Acetate EP Impurity E CAS 982-89-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 982-89-8 |
| Molecular Formula | C24H30O4 |
| Molecular Weight | 382.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Megestrol Acetate EP Impurity E (CAS 982-89-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C24H30O4. Molecular weight: 382.49 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C24H30O4 |
| Molecular Weight | 382.49 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.) | 1957 |
Related Megestrol Standards
- Megestrol Acetate EP Impurity C (CAS 74910-22-8)
- Megestrol Acetate EP Impurity D (CAS 32634-95-0)
- Megestrol-17-Acetate (CAS 595-33-5)
- Megestrol acetate (CAS 51154-23-5)
- Megestrol Acetate EP Impurity J (CAS 14994-27-5)
- Megestrol Acetate-d3 (CAS 162462-72-8)
- Megestrol Acetate EP Impurity I (CAS CATO-C4X-14149)
- Megestrol acetate EP Impurity G (CAS 1259198-59-8)
Recommended Standards
- Enalapril Impurity 39 (CAS 2055735-10-7)
- Medroxyprogesterone Impurity 13 (CAS CATO-C4X-145713)
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- Montelukast Impurity 34 (CAS 162515-68-6)
- Orforglipron Impurity 43 (CAS 2025595-61-1(free base))
- 2-(tert-Butyl) 3-methyl 8-hydroxy-3,4-dihydroisoquinoline-2,3(1H)-dicarboxylate (CAS 370881-40-6)
- 3-(3-Chloro-4-methylphenyl)-2-hydroxypyridine (CAS 1261938-38-8)
- Dexamethason 21-tert-butylacetate (CAS 24668-75-5)
- 3-(4-Pyridyl)propylamine (CAS 30532-36-6)
- Anxiety Peptide (CAS 95237-86-8)
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