(3beta,5alpha,17beta)-17-Methyl-androst-1-ene-3,17-diol CAS 13974-35-1
| CAS No. | 13974-35-1 |
| Molecular Formula | C20H32O2 |
| Molecular Weight | 304.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3beta,5alpha,17beta)-17-Methyl-androst-1-ene-3,17-diol (CAS 13974-35-1) is a high-purity analytical reference standard with the molecular formula C20H32O2 and a molecular weight of 304.47 g/mol.
Based on its molecular formula C20H32O2, (3beta,5alpha,17beta)-17-Methyl-androst-1-ene-3,17-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 304.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), (3beta,5alpha,17beta)-17-Methyl-androst-1-ene-3,17-diol 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 | C20H32O2 |
| Molecular Weight | 304.47 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
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