5α-Cholestan-3α-ol-2¸2¸3¸4¸4-[d5] CAS 516-95-0
| CAS No. | 516-95-0 |
| Molecular Formula | C27H48O |
| Molecular Weight | 388.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 388.67 g/mol gives 5α-Cholestan-3α-ol-2¸2¸3¸4¸4-[d5] distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5α-Cholestan-3α-ol-2¸2¸3¸4¸4-[d5] (CAS 516-95-0), a certified reference material (molecular formula C27H48O, MW 388.67 g/mol) for analytical method development and quality control.
Based on its molecular formula C27H48O, 5α-Cholestan-3α-ol-2¸2¸3¸4¸4-[d5] 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 388.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5α-Cholestan-3α-ol-2¸2¸3¸4¸4-[d5] meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C27H48O |
| Molecular Weight | 388.67 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 | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Cholestan Standards
Recommended Standards
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