5α-CHOLESTAN-3β, 7β-DIOL CAS 566-25-6
| CAS No. | 566-25-6 |
| Molecular Formula | C27H48O2 |
| Molecular Weight | 404.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C27H48O2, 5α-CHOLESTAN-3β, 7β-DIOL contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 404.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 5α-CHOLESTAN-3β, 7β-DIOL (CAS 566-25-6), a certified reference material (molecular formula C27H48O2, MW 404.67 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5α-CHOLESTAN-3β, 7β-DIOL under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C27H48O2 |
| Molecular Weight | 404.67 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 | 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.) | 1957 |
Related CHOLESTAN Standards
- 5α-CHOLESTAN-3β, 6β-DIOL (CAS 570-85-4)
- 5α-CHOLESTAN-3β, 7α-DIOL (CAS 7554-76-9)
- 5β-CHOLESTAN-3β, 6β-DIOL (CAS 570-86-5)
- CHOLESTAN-3β, 5α-DIOL (CAS 3347-60-2)
- 5α-CHOLESTAN-3, 6-DIONE (CAS 2243-09-6)
- 5α-Cholestan-3β-ol-d (CAS 84061-69-8)
- 5α-CHOLESTAN-24β-ETHYL-3β-ONE (CAS 5060-25-3)
- CHOLESTAN-5α-OL-3, 6-DIONE (CAS 20281-70-3)
Recommended Standards
- 2-Ethoxyethyl 5-chloro-1-(2,4-dichlorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxylate (CAS 242471-99-4)
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- (3S,5S,8R,9S,10S,13R,14S,15S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthrene-3,15-diol (CAS 73389-49-8)
- (5S,6S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-17-((R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthren-6-ol 41083-73-2 (CAS 41083-73-2)
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- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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