Drospirenone EP Impurity K CAS 889652-31-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 889652-31-7 |
| Molecular Formula | C24H30O3 |
| Molecular Weight | 366.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Drospirenone EP Impurity K (CAS 889652-31-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C24H30O3. Molecular weight: 366.49 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C24H30O3 |
| Molecular Weight | 366.49 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.) | 1987 |
Related Drospirenone Standards
- Drospirenone (CAS 67392-87-4)
- Drospirenone EP Impurity E (CAS 90457-65-1)
- Drospirenone Impurity 14 (CAS CATO-C4X-162414)
- Drospirenone EP Impurity F (CAS CATO-C4X-16245)
- Drospirenone EP Impurity I (CAS 2896199-04-3)
- Drospirenone Impurity N3 (CAS 863329-71-9)
- Drospirenone-20,20,21,21-d4 (CAS 2376035-94-6)
- Drospirenone EP Impurity A (CAS 67372-68-3)
Recommended Standards
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- N-(2-(6-Oxo-1,6-dihydropyridazin-3-yl)phenyl)thiophene-2-carboxamide (CAS 1428357-19-0)
- Cbz-N-Me-Thr-OH (CAS 253595-72-1)
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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