(R)-(+)-3-hydroxy-3-methyl-4,4,4-trichlorobutyricbeta-lactone CAS 93239-42-0
| CAS No. | 93239-42-0 |
| Molecular Formula | C5H5Cl3O2 |
| Molecular Weight | 203.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.45 g/mol gives (R)-(+)-3-hydroxy-3-methyl-4,4,4-trichlorobutyricbeta-lactone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(R)-(+)-3-hydroxy-3-methyl-4,4,4-trichlorobutyricbeta-lactone (CAS 93239-42-0) is a high-purity analytical reference standard with the molecular formula C5H5Cl3O2 and a molecular weight of 203.45 g/mol.
(R)-(+)-3-hydroxy-3-methyl-4,4,4-trichlorobutyricbeta-lactone (C5H5Cl3O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), (R)-(+)-3-hydroxy-3-methyl-4,4,4-trichlorobutyricbeta-lactone 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 | C5H5Cl3O2 |
| Molecular Weight | 203.45 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
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