(7alpha,14beta)-7-Methyl-estr-4-ene-3,17-dione 436144-67-1 CAS 436144-67-1
| CAS No. | 436144-67-1 |
| Molecular Formula | C19H26O2 |
| Molecular Weight | 286.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (7alpha,14beta)-7-Methyl-estr-4-ene-3,17-dione 436144-67-1 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 (7alpha,14beta)-7-Methyl-estr-4-ene-3,17-dione 436144-67-1 (CAS 436144-67-1), a certified reference material (molecular formula C19H26O2, MW 286.41 g/mol) for analytical method development and quality control.
(7alpha,14beta)-7-Methyl-estr-4-ene-3,17-dione 436144-67-1 (C19H26O2) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C19H26O2 |
| Molecular Weight | 286.41 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.) | 2025 |
Recommended Standards
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