5β-ANDROSTAN-3α, 17β-DIOL-11-ONE CAS 1158-94-7
| CAS No. | 1158-94-7 |
| Molecular Formula | C19H30O3 |
| Molecular Weight | 306.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 5β-ANDROSTAN-3α, 17β-DIOL-11-ONE (CAS 1158-94-7), a certified reference material (molecular formula C19H30O3, MW 306.44 g/mol) for analytical method development and quality control.
5β-ANDROSTAN-3α, 17β-DIOL-11-ONE (C19H30O3) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5β-ANDROSTAN-3α, 17β-DIOL-11-ONE 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 | C19H30O3 |
| Molecular Weight | 306.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related ANDROSTAN Standards
- 5β-ANDROSTAN-3α, 16α-DIOL-17-ONE (CAS 14167-50-1)
- 5α-ANDROSTAN-11α, 17β-DIOL-3-ONE (CAS 25788-56-1)
- 5α-ANDROSTAN-3β, 11β-DIOL-17-ONE (CAS 514-17-0)
- 5α-ANDROSTAN-3β, 17β-DIOL-11-ONE (CAS 32693-29-1)
- 5α-ANDROSTAN-3β, 17β-DIOL-7-ONE (CAS 28375-34-0)
- 5β-ANDROSTAN-3β, 11β-DIOL-17-ONE (CAS 3461-66-3)
- 5α-ANDROSTAN-17α-METHYL-3β, 17β-DIOL (CAS 641-83-8)
- 5α-ANDROSTAN-17β-OL-3, 6-DIONE (CAS 899-39-8)
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