(3ß,15a,17ß)-15,17-Bis-O-(tert-butyldimethylsilyloxy) Androst-5-en-3-ol 3-O-Acetate CAS 65429-24-5
| CAS No. | 65429-24-5 |
| Molecular Formula | C33H60O4Si2 |
| Molecular Weight | 577.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(3ß,15a,17ß)-15,17-Bis-O-(tert-butyldimethylsilyloxy) Androst-5-en-3-ol 3-O-Acetate (CAS 65429-24-5), molecular formula C33H60O4Si2 and molecular weight 577.00 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3ß,15a,17ß)-15,17-Bis-O-(tert-butyldimethylsilyloxy) Androst-5-en-3-ol 3-O-Acetate (C33H60O4Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 577.00 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures (3ß,15a,17ß)-15,17-Bis-O-(tert-butyldimethylsilyloxy) Androst-5-en-3-ol 3-O-Acetate 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 | C33H60O4Si2 |
| Molecular Weight | 577.00 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.) | 1975 |
Recommended Standards
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