| CAS No. | 82938-00-9 |
| Molecular Formula | C25[13C]2H32O5 |
| Molecular Weight | 438.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C25[13C]2H32O5, (17ß)-2-(Acetyl 13C2)-17-(benzoyloxy)-4-oxaandrost-5-en-3-one 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 438.53 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).
(17ß)-2-(Acetyl 13C2)-17-(benzoyloxy)-4-oxaandrost-5-en-3-one (CAS 82938-00-9) is a high-purity analytical reference standard with the molecular formula C25[13C]2H32O5 and a molecular weight of 438.53 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (17ß)-2-(Acetyl 13C2)-17-(benzoyloxy)-4-oxaandrost-5-en-3-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.
| Molecular Formula | C25[13C]2H32O5 |
| Molecular Weight | 438.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |