17-Methyl-5α-androst-2-eno[2,3-d]isoxazol-17β-ol CAS 6251-57-6
| CAS No. | 6251-57-6 |
| Molecular Formula | C21H31NO2 |
| Molecular Weight | 329.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 17-Methyl-5α-androst-2-eno[2,3-d]isoxazol-17β-ol 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 17-Methyl-5α-androst-2-eno[2,3-d]isoxazol-17β-ol (CAS 6251-57-6), a certified reference material (molecular formula C21H31NO2, MW 329.48 g/mol) for analytical method development and quality control.
The molecular framework of 17-Methyl-5α-androst-2-eno[2,3-d]isoxazol-17β-ol (C21H31NO2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H31NO2 |
| Molecular Weight | 329.48 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1958 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- Androst-5-ene-3beta,17beta-diol 3-Acetate (CAS 1639-43-6)
- 2-Methyl-5α-androst-2-en-17β-ol-propionate (CAS 2984-16-9)
- (5α)-2H-Androst-2-eno[3,2-c]pyrazol-17-one (CAS 129545-93-3)
- 3α,17-β-Androst-5-enediol (CAS 16895-59-3)
- (3β)-Androst-5-ene-3,17-diol DISCONTINUED. Please see A637670 or A637455 (CAS 75767-22-5)
- 2-Methyl-5α-androst-2-en-17β-ol (CAS 2984-17-0)
- 5B-Androst-1-en-17B-ol-3-one (CAS 10529-96-1)
- 5α-Androst-1-ene-3α-ol-17-one (available to WADA laboratories only) (CAS 38859-37-9)
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