17-Methyl-5α-androstane-3β,16β,17β-triol CAS 38863-74-0
| CAS No. | 38863-74-0 |
| Molecular Formula | C20H34O3 |
| Molecular Weight | 322.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 322.48 g/mol gives 17-Methyl-5α-androstane-3β,16β,17β-triol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
17-Methyl-5α-androstane-3β,16β,17β-triol (CAS 38863-74-0) is a high-purity analytical reference standard with the molecular formula C20H34O3 and a molecular weight of 322.48 g/mol.
17-Methyl-5α-androstane-3β,16β,17β-triol (C20H34O3) 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).
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 17-Methyl-5α-androstane-3β,16β,17β-triol 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 | C20H34O3 |
| Molecular Weight | 322.48 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Related Methyl Standards
- 17-Methyl-5α-androstane-3β,16α,17β-triol (CAS 188525-77-1)
- 17-Methyl-5β-androstane-3β,16β,17β-triol (CAS 923572-10-5)
- 17α-Methyl-5β-androstane-3α，17β-diol (CAS 641-84-9)
- (5|A)-Androstane-3,11,17-trione 1482-70-8 5|A-Androstane-3,11,17-trione (CAS 1482-70-8)
- 5α-Androstane-3α，17β-diol-[d3]100ug/ml in Methanol (CAS 79037-33-5)
- 5α-Androstane-3β,17β-diol-d3 (CAS 79037-32-4)
- 5beta-Androstane-3alpha,17beta-diol (CAS 19767-69-2)
- 5β-Androstane-3α,17α-diol (CAS 5856-10-0)
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Why CATO?
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