Progesterone Impurity 16 CAS 604-19-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 604-19-3 |
| Molecular Formula | C21H30O3 |
| Molecular Weight | 330.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Progesterone Impurity 16 (CAS 604-19-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H30O3. Molecular weight: 330.46 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H30O3 |
| Molecular Weight | 330.46 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Progesterone Standards
- Progesterone Impurity 19 (CAS 16031-66-6)
- Progesterone Impurity 9 (CAS 641-80-5)
- Progesterone Impurity 15 (CAS 604-20-6)
- Progesterone Impurity 83 (CAS CATO-C4X-150283)
- Progesterone Impurity N2 (CAS 40736-33-2)
- Progesterone Impurity 34 (CAS 60966-36-1)
- Progesterone Impurity 84 (CAS 66512-11-6)
- (20R)-Progesterone EP Impurity I (CAS 66289-21-2)
Recommended Standards
- 17β-Hydroxyprogesterone (CAS 604-09-1)
- Loxoprofen impurity 136 (CAS CATO-C4X-1488136)
- Medroxyprogesterone impurity 9 (CAS 14510-23-7)
- Cefradine Impurity 17 (CAS CATO-C4X-121517)
- Cefdinir Impurity 68 (CAS CATO-C4X-121068)
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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