| CAS No. | 39637-99-5 |
| Molecular Formula | C10H14ClF3O2 |
| Molecular Weight | 258.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetyl Chloride (ca. 18% in Dichloromethane, ca. 1.0mol/L) [for Determination of the optical purity of Alcohols and Amines] 39637-99-5 (CAS 39637-99-5) is a high-purity analytical reference standard with the molecular formula C10H14ClF3O2 and a molecular weight of 258.67 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, (-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetyl Chloride (ca. 18% in Dichloromethane, ca. 1.0mol/L) [for Determination of the optical purity of Alcohols and Amines] 39637-99-5 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 (-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetyl Chloride (ca. 18% in Dichloromethane, ca. 1.0mol/L) [for Determination of the optical purity of Alcohols and Amines] 39637-99-5 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.
| Molecular Formula | C10H14ClF3O2 |
| Molecular Weight | 258.67 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | F/Cl-containing |