Cholesterol Impurity 26 CAS 4505-68-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 4505-68-4 |
| Molecular Formula | C28H50O |
| Molecular Weight | 402.70 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cholesterol Impurity 26 (CAS 4505-68-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H50O. Molecular weight: 402.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H50O |
| Molecular Weight | 402.70 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Cholesterol Standards
- Cholesterol-5α,6α-epoxide (CAS 1250-95-9)
- Cholesterol Impurity 13 (CAS 34310-88-8)
- Cholesterol Impurity 19 (CAS 566-46-1)
- Cholesterol Impurity 24 (CAS 26654-78-4)
- Cholesterol Impurity 25 (CAS 26358-75-8)
- Cholesterol Impurity 28 (CAS 70223-10-8)
- Cholesterol Impurity 37 (CAS 7591-17-5)
- Cholesterol 4alpha-Methyl 7-En Analog (CAS 481-25-4)
Recommended Standards
- Trioctylphosphine sulfide, CYTOP? 505 (CAS 2551-53-3)
- Campestanol (CAS 474-60-2)
- 5-Chloro-1-[(3,4-dichlorophenyl)methyl]-N-[2-(dimethylamino)ethyl]-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 338981-06-9)
- Mirabegron Impurity 80 (CAS CATO-C4X-103280)
- Letrozole EP Impurity A (CAS 112809-52-6)
- Olopatadine Impurity 14 (CAS 1628639-06-4（free base）)
- 2-(3-Oxo-2-azaspiro[4.5]Decan-2-yl)acetic acid (CAS 923281-89-4)
- (azepan-4-yl)methanol (CAS 1259077-49-0)
- (2R,3S)-2-(pyridin-3-yl)tetrahydrofuran-3-amine dihydrochloride (CAS 1808314-09-1)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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