(1R,2R,3aS,4S,6R,7aS)-6-Chloro-1-(2-chloroacetyl)-4-(5-hydroxy-2-methylphenethyl)-2,7a-dimethyl-5-ox CAS 205808-74-8
| CAS No. | 205808-74-8 |
| Molecular Formula | C27H30Cl2O6 |
| Molecular Weight | 521.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (1R,2R,3aS,4S,6R,7aS)-6-Chloro-1-(2-chloroacetyl)-4-(5-hydroxy-2-methylphenethyl)-2,7a-dimethyl-5-ox is closely related to a steroid core, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(1R,2R,3aS,4S,6R,7aS)-6-Chloro-1-(2-chloroacetyl)-4-(5-hydroxy-2-methylphenethyl)-2,7a-dimethyl-5-ox (CAS 205808-74-8) is a high-purity analytical reference standard with the molecular formula C27H30Cl2O6 and a molecular weight of 521.43 g/mol.
Based on its molecular formula C27H30Cl2O6, (1R,2R,3aS,4S,6R,7aS)-6-Chloro-1-(2-chloroacetyl)-4-(5-hydroxy-2-methylphenethyl)-2,7a-dimethyl-5-ox contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 521.43 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).
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 (1R,2R,3aS,4S,6R,7aS)-6-Chloro-1-(2-chloroacetyl)-4-(5-hydroxy-2-methylphenethyl)-2,7a-dimethyl-5-ox 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 | C27H30Cl2O6 |
| Molecular Weight | 521.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | Cl-containing |
Recommended Standards
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- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
Why CATO?
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