| CAS No. | 75956-48-8 |
| Molecular Formula | C7H10Cl2O2 |
| Molecular Weight | 197.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-Isobutylmalonyl dichloride (CAS 75956-48-8), molecular formula C7H10Cl2O2 and molecular weight 197.06 g/mol, is a CATO reference standard with documented purity and traceability.
2-Isobutylmalonyl dichloride (C7H10Cl2O2) 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C7H10Cl2O2 |
| Molecular Weight | 197.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1978 |
| Halogen Content | Cl-containing |