Cholesterol Impurity 27 CAS 151891-06-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 151891-06-4 |
| Molecular Formula | C27H45O4S Na |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cholesterol Impurity 27 (CAS 151891-06-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C27H45O4S Na. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C27H45O4S Na |
| Molecular Weight | 488.70 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Sulfur Atoms | 1 |
Related Cholesterol Standards
- Cholesterol hexanoate (CAS 1062-96-0)
- Cholesterol Impurity 31 (CAS 117556-83-9)
- Cholesterol isobutyrate (CAS 1180-43-4)
- Cholesterol n-Octanoate (CAS 1182-42-9)
- Cholesterol-5α,6α-epoxide (CAS 1250-95-9)
- Cholesterol Impurity 6 (CAS 1251-98-5)
- Cholesterol Impurity 30 (CAS 1253-88-9)
- Cholesterol Impurity 20 (CAS 1254-03-1)
Recommended Standards
- Relebactam Impurity 39 (CAS CATO-C4X-214439)
- Hydroxychloroquine Impurity 37 (CAS CATO-C4X-183537)
- Solifenacin Impurity 8 (Base) (CAS 850896-06-9)
- N,N-Diphenylacetamide (CAS 519-87-9)
- Ilexoside B (CAS 108544-40-7)
- 4-Chloro-3-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)pyridine (CAS 2096997-92-9)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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