Cholesterol EP Impurity C CAS 651-54-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 651-54-7 |
| Molecular Formula | C27H44O |
| Molecular Weight | 384.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cholesterol EP Impurity C (CAS 651-54-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H44O. Molecular weight: 384.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H44O |
| Molecular Weight | 384.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Cholesterol Standards
- Cholesterol Impurity 17 (CAS 14214-69-8)
- Cholesterol Impurity 29 (CAS 881024-99-3)
- Cholesterol Impurity 30 (CAS 17608-47-8)
- Cholesterol Impurity 31 (CAS 117556-83-9)
- Cholesterol probe for Smoothened (CAS CATO-C3D-262450)
- Cholesterol Impurity 25 (CAS CATO-C4X-196725)
- Cholesterol Impurity 36 (CAS 7199-91-9)
- Cholesterol EP Impurity A (CAS 80-99-9)
Recommended Standards
- Precalciferol (Previtamin D3) (CAS 1173-13-3)
- Cholecalciferol EP Impurity E (CAS 17592-07-3)
- 8-Dehydrocholesterol (CAS 70741-38-7)
- Dotinurad Impurity 192 (CAS CATO-C4X-2494192)
- Tacrolimus impurity 68 (CAS 1262804-11-4)
- Ethyl 7-methoxy-8-methyl-2-oxo-2H-chromene-3-carboxylate (CAS 855287-26-2)
- 1367AF 5-tert-Butylsulfanyl-furan-2-carbaldehyde 876717-92-9 C9H12O2S (CAS 876717-92-9)
- 1-Bromo-2-(3-fluoropropoxy)-4-(trifluoromethoxy)benzene (CAS 1704073-55-1)
- 5-((4-Methoxybenzyl)carbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 1006476-87-4)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
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