(3alpha,5beta,6alpha)-3-(Acetyloxy)-6-ethyl-7-oxocholan-24-oic acid CAS 1953137-57-9
| CAS No. | 1953137-57-9 |
| Molecular Formula | C28H44O5 |
| Molecular Weight | 460.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (3alpha,5beta,6alpha)-3-(Acetyloxy)-6-ethyl-7-oxocholan-24-oic acid 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.
CATO supplies (3alpha,5beta,6alpha)-3-(Acetyloxy)-6-ethyl-7-oxocholan-24-oic acid (CAS 1953137-57-9), a certified reference material (molecular formula C28H44O5, MW 460.65 g/mol) for analytical method development and quality control.
The molecular framework of (3alpha,5beta,6alpha)-3-(Acetyloxy)-6-ethyl-7-oxocholan-24-oic acid (C28H44O5) is characterized by a steroid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C28H44O5 |
| Molecular Weight | 460.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
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