1, 3, 5(10)-ESTRATRIEN-2, 3, 17β-TRIOL 3-METHYL ETHER CAS 1236-72-2
| CAS No. | 1236-72-2 |
| Molecular Formula | C19H26O4 |
| Molecular Weight | 318.41 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.
1, 3, 5(10)-ESTRATRIEN-2, 3, 17β-TRIOL 3-METHYL ETHER (CAS 1236-72-2) is a high-purity analytical reference standard with the molecular formula C19H26O4 and a molecular weight of 318.41 g/mol.
1, 3, 5(10)-ESTRATRIEN-2, 3, 17β-TRIOL 3-METHYL ETHER (C19H26O4) contains a flavonoid 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 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).
As a certified reference material (CRM), 1, 3, 5(10)-ESTRATRIEN-2, 3, 17β-TRIOL 3-METHYL ETHER 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.
Physical & Chemical Properties
| Molecular Formula | C19H26O4 |
| Molecular Weight | 318.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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.) | 1957 |
Related ESTRATRIEN Standards
- 1, 3, 5(10)-ESTRATRIEN-3, 17β-DIOL 17-PROPIONATE (CAS 3758-34-7)
- 1,3,5(10)-Estratrien-2,3,4,17beta-tetrol-2,4-dimethyl Ether (CAS 65968-99-2)
- 1, 3, 5(10)-ESTRATRIEN-2-FLUORO-3, 17β-DIOL (CAS 16205-32-6)
- 1, 3, 5(10)-ESTRATRIEN-3, 15α, 17β-TRIOL (CAS 570-30-9)
- 1, 3, 5(10)-ESTRATRIEN-3, 15β, 17β-TRIOL (CAS 7445-96-7)
- 1, 3, 5(10)-ESTRATRIEN-17α-METHYL-3, 17β-DIOL (CAS 302-76-1)
- 1, 3, 5(10)-ESTRATRIEN-3-16α-DIOL-17-ONE DIACETATE (CAS 1247-70-7)
- 1,3,5(10)-Estratrien-3-ol-17-one hemisuccinate 4-((8R,9S,13S,14S)-13-methyl-17-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yloxy)-4-oxobutanoic acid 58534-72-8 (CAS 58534-72-8)
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