(S)-2-Hydroxy-3,3-dimethylbutanoic Acid CAS 21641-92-9
| CAS No. | 21641-92-9 |
| Molecular Formula | C6H12O3 |
| Molecular Weight | 132.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-2-Hydroxy-3,3-dimethylbutanoic Acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-2-Hydroxy-3,3-dimethylbutanoic Acid (CAS 21641-92-9) is a high-purity analytical reference standard with the molecular formula C6H12O3 and a molecular weight of 132.16 g/mol.
The molecular framework of (S)-2-Hydroxy-3,3-dimethylbutanoic Acid (C6H12O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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 | 97%+ |
| 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.) | 1963 |
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Recommended Standards
- (S)-2-Hydroxy-2,3-dimethylbutanoic acid (CAS 78640-99-0)
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- (S)-3-amino-2-(dimethylamino)propanoic acid (CAS 61543-11-1)
- 2-(4-(((1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)methyl)amino)-1H-pyrazol-1-yl)ethan-1-ol hydrochloride (CAS 1856093-19-0)
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- 2-((5-(4-(tert-Butyl)phenyl)-4-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3,5-dimethylphenyl)acetamide (CAS 477313-52-3)
- 2-(Benzo[4,5]thiazolo[2,3-c][1,2,4]triazol-3-ylthio)-N-cyclohexylacetamide (CAS 314260-45-2)
- 4-Chloro-N-(thiophen-2-ylmethyl)benzenesulfonamide (CAS 321703-44-0)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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