(17β)-4,17-Dimethyl-androsta-2,4-dieno[2,3-d]isoxazol-17-ol CAS 71507-21-6
| CAS No. | 71507-21-6 |
| Molecular Formula | C22H31NO2 |
| Molecular Weight | 341.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (17β)-4,17-Dimethyl-androsta-2,4-dieno[2,3-d]isoxazol-17-ol.
CATO supplies (17β)-4,17-Dimethyl-androsta-2,4-dieno[2,3-d]isoxazol-17-ol (CAS 71507-21-6), a certified reference material (molecular formula C22H31NO2, MW 341.49 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, (17β)-4,17-Dimethyl-androsta-2,4-dieno[2,3-d]isoxazol-17-ol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.49 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (17β)-4,17-Dimethyl-androsta-2,4-dieno[2,3-d]isoxazol-17-ol 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 | C22H31NO2 |
| Molecular Weight | 341.49 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
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