Dimethylmalonyl chloride 2,2-Dimethylpropanedioyl dichloride 2,2-Dimethylmalonic acid dichloride 5659-93-8 CAS 5659-93-8
| CAS No. | 5659-93-8 |
| Molecular Formula | C5H6Cl2O2 |
| Molecular Weight | 169.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H6Cl2O2, Dimethylmalonyl chloride 2,2-Dimethylpropanedioyl dichloride 2,2-Dimethylmalonic acid dichloride 5659-93-8 contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 169.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies Dimethylmalonyl chloride 2,2-Dimethylpropanedioyl dichloride 2,2-Dimethylmalonic acid dichloride 5659-93-8 (CAS 5659-93-8), a certified reference material (molecular formula C5H6Cl2O2, MW 169.01 g/mol) for analytical method development and quality control.
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.
Physical & Chemical Properties
| Molecular Formula | C5H6Cl2O2 |
| Molecular Weight | 169.01 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.) | 1958 |
| Halogen Content | Cl-containing |
Recommended Standards
- 2873-74-7 Glutaryl chloride (7CI,8CI) Glutaryl dichloride Pentanedioyl dichloride 1,3-Bis(chlorocarbonyl)propane EINECS 220-711-1 Glutaric acid dichloride Glutaroyl chloride Glutaroyl dichloride Glutaryl chloride NSC 519867 (CAS 2873-74-7)
- (S)-2-Bromobutane-1,4-diol (CAS 105601-94-3)
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- 2-Oxo-2-((1-phenylethyl)amino)ethyl quinoline-2-carboxylate (CAS 380205-13-0)
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Why CATO?
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