2-Hydroxy-3,3-dimethylbutanoic acid CAS 4026-20-4
| CAS No. | 4026-20-4 |
| Molecular Formula | C6H12O3 |
| Molecular Weight | 132.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Hydroxy-3,3-dimethylbutanoic acid.
2-Hydroxy-3,3-dimethylbutanoic acid (CAS 4026-20-4) is a high-purity analytical reference standard with the molecular formula C6H12O3 and a molecular weight of 132.16 g/mol.
2-Hydroxy-3,3-dimethylbutanoic acid (C6H12O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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 | C6H12O3 |
| Molecular Weight | 132.16 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
- 2-hydroxy-2-methylpentanoic acid (CAS 28892-68-4)
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- 2-Hydroxyethyl isobutyrate (CAS 6942-58-1)
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