| CAS No. | 83274-68-4 |
| Molecular Formula | C29H50O6Si |
| Molecular Weight | 522.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(3α,5β)-O-tert-Butyldimethylsilyl 21-Acetyloxy Tetrahydro Cortisol (C29H50O6Si) contains a steroid core, a hydroxyl group, an ether linkage. 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).
(3α,5β)-O-tert-Butyldimethylsilyl 21-Acetyloxy Tetrahydro Cortisol (CAS 83274-68-4) is a high-purity analytical reference standard with the molecular formula C29H50O6Si and a molecular weight of 522.79 g/mol.
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 (3α,5β)-O-tert-Butyldimethylsilyl 21-Acetyloxy Tetrahydro Cortisol 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.
| Molecular Formula | C29H50O6Si |
| Molecular Weight | 522.79 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1980 |