(2S)-2-Hydroxy-3-methylpentanoic acid CAS 204119-59-5
| CAS No. | 204119-59-5 |
| Molecular Formula | C6H12O3 |
| Molecular Weight | 132.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H12O3, (2S)-2-Hydroxy-3-methylpentanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 132.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
CATO supplies (2S)-2-Hydroxy-3-methylpentanoic acid (CAS 204119-59-5), a certified reference material (molecular formula C6H12O3, MW 132.16 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.) | 2015 |
Related S Standards
- n'-Hydroxy-2-(propan-2-yloxy)ethanimidamide (CAS 1016754-49-6)
- 5-Hydroxy-4-methylpentanoic acid (CAS 105025-31-8)
- n'-Hydroxy-4-methoxybutanimidamide (CAS 1312601-25-4)
- N'-Hydroxy-2-methoxy-2-methylpropanimidamide (CAS 1354968-72-1)
- 3-Hydroxy-3-methylpentanoic acid (CAS 150-96-9)
- 5-Hydroxy-3-methylpentanoic acid (CAS 151-11-1)
- Methyl 2-hydroxy-3-methylbutanoate (CAS 17417-00-4)
- 4-Hydroxy-2,2-dimethylbutanoic acid (CAS 187935-22-4)
Recommended Standards
- (2S)-2-Amino-N-(2-hydroxyethyl)propanamide (CAS 61275-23-8)
- (2S)-2-hydroxyhexanoic acid (CAS 70267-26-4)
- (2R,3S,5S)-2-(Hydroxymethyl)-5-methyltetrahydrofuran-3-ol (CAS 82165-72-8)
- (2S)-2-Methoxypropanoic acid ethyl ester (CAS 41918-08-5)
- (R)-1-(2-fluoro-5-(trifluoromethyl)phenyl)-2-methoxyethan-1-amine (CAS 1270004-70-0)
- Ethyl 3,5-diamino-2-cyano-5-oxopent-2-enoate (CAS 105866-42-0)
- 4-Bromo-N-isopropyl-3-methoxybenzamide (CAS 1072944-42-3)
- 4-((4-Chlorophenyl)thio)-5,8-difluorochroman-3-ol (CAS 944950-69-0)
- 7-(4-Fluorophenyl)-6-[2-(morpholin-4-yl)ethyl]pyrido[2,3-d]pyrimidine-2,4-diamine (CAS 861207-05-8)
- ((4aS,7aS)-Octahydropyrano[2,3-c]pyrrol-4a-yl)methanol (CAS 2696258-02-1)
- 1-(3-Chloro-2-methylphenyl)-1H-pyrrole-2-carbaldehyde (CAS 299165-40-5)
- 1-(1-(2-Aminoethyl)-1H-indol-3-yl)ethanone (CAS 1352529-49-7)
- N-(Furan-2-ylmethyl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide (CAS 942013-20-9)
- Neuropeptide SF (human) (CAS 192387-39-6)
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