Spironolactone EP Impurity F CAS 976-71-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 976-71-6 |
| Molecular Formula | C22H28O3 |
| Molecular Weight | 340.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Spironolactone EP Impurity F (CAS 976-71-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C22H28O3. Molecular weight: 340.46 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C22H28O3 |
| Molecular Weight | 340.46 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Spironolactone Standards
- Spironolactone Impurity 16 (CAS CATO-C4X-134516)
- Spironolactone EP Impurity C (CAS 976-70-5)
- Spironolactone Impurity 17 (CAS CATO-C4X-134517)
- Spironolactone Impurity 19 (CAS CATO-C4X-134519)
- Spironolactone Impurity 10 (CAS 53866-23-2)
- Spironolactone Impurity 12 (CAS CATO-C4X-134512)
- Spironolactone Gammalactone Impurity (CAS 20802-57-7)
- Spironolactone Impurity 13 (CAS CATO-C4X-134513)
Recommended Standards
- Mianserin EP Impurity F (CAS 157995-00-1)
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- Ezetimibe Impurity 32 (CAS 1700622-08-7)
- Pomalidomide Impurity 13 (CAS 636-65-7)
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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
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com