1-(2,2-Diphenyl-1,3-benzodioxol-5-yl)-2-chloroethanone CAS 81590-38-7
| CAS No. | 81590-38-7 |
| Molecular Formula | C21H15ClO3 |
| Molecular Weight | 350.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2,2-Diphenyl-1,3-benzodioxol-5-yl)-2-chloroethanone (CAS 81590-38-7), molecular formula C21H15ClO3 and molecular weight 350.80 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H15ClO3, 1-(2,2-Diphenyl-1,3-benzodioxol-5-yl)-2-chloroethanone 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 350.80 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 1-(2,2-Diphenyl-1,3-benzodioxol-5-yl)-2-chloroethanone 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 | C21H15ClO3 |
| Molecular Weight | 350.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl-containing |
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- 4-(3-Fluorobenzyl)tetrahydro-2H-pyran-4-amine (CAS 1270850-89-9)
- 4-Isopropyl-2-pyridinecarboxylic Acid (CAS 83282-36-4)
- Elagolix Impurity 72 (CAS CATO-C4X-206872)
- (3-Ethoxy-2-methoxyphenyl)methanamine (CAS 1099618-35-5)
- n-(2-(Dimethylamino)-2-(furan-2-yl)ethyl)isobutyramide (CAS 883692-85-1)
- Methyl 2-hydroxy-2,3-dimethylbutanoate (CAS 856293-67-9)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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