Alprostadil (Prostaglandin E1) Impurity 4 CAS 217182-28-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 217182-28-0 |
| Molecular Formula | C23H40O5 |
| Molecular Weight | 396.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Alprostadil (Prostaglandin E1) Impurity 4 (CAS 217182-28-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H40O5. Molecular weight: 396.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H40O5 |
| Molecular Weight | 396.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
Related Alprostadil Standards
- Alprostadil (Prostaglandin E1) EP Impurity I (CAS 35900-16-4)
- Alprostadil (Prostaglandin E1) Impurity 5 (PGE0) (CAS 19313-28-1)
- Alprostadil EP Impurity F (CAS 21003-46-3)
- 11-beta-Alprostadil (Prostaglandin E1) (CAS 24570-01-2)
- Alprostadil EP Impurity C (CAS 22973-19-9)
- Alprostadil EP Impurity G (CAS 363-24-6)
- Alprostadil (Prostaglandin E1) EP Impurity A (CAS 14152-28-4)
- Alprostadil (Prostaglandin E1) EP Impurity B (CAS 13345-51-2)
Recommended Standards
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- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
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