Ergosterol Impurity 9 CAS 71075-32-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 71075-32-6 |
| Molecular Formula | C28H48O |
| Molecular Weight | 400.68 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ergosterol Impurity 9 (CAS 71075-32-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H48O. Molecular weight: 400.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H48O |
| Molecular Weight | 400.68 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related Ergosterol Standards
Recommended Standards
- Cholesterol Impurity 6 (CAS 1251-98-5)
- Cholesterol For Parenteral Use EP Impurity C (CAS 474-62-4)
- Cholesterol Impurity 34 (CAS 62014-96-4)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
- Sorafenib Impurity 39 (CAS CATO-C4X-112439)
- 1-(3-Fluoro-5-methylbenzyl)piperidin-4-amine dihydrochloride (CAS 1286265-62-0)
- 4-Nitro-3-(propan-2-yloxy)benzamide (CAS 1369893-77-5)
- 3-Amino-4-(2,6-dichlorophenyl)butanoic acid (CAS 1267335-85-2)
- 1,2,4-Oxadiazole-3-carbonyl chloride (CAS 39512-69-1)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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