(3S)-3-hydroxy-4-methylpentanoic acid CAS 63674-22-6
| CAS No. | 63674-22-6 |
| Molecular Formula | C6H12O3 |
| Molecular Weight | 132.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3S)-3-hydroxy-4-methylpentanoic acid (CAS 63674-22-6), molecular formula C6H12O3 and molecular weight 132.16 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (3S)-3-hydroxy-4-methylpentanoic acid is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 132.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3S)-3-hydroxy-4-methylpentanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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.) | 1975 |
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
- (3R,4S)-4-methyltetrahydro-2H-pyran-3,4-diol (CAS 86343-83-1)
- (3S,4R,5S)-3-Methylhexahydropyridazine-4,5-diol (CAS 449146-83-2)
- (3R,4S)-3-(Hydroxymethyl)hexahydropyridazin-4-ol (CAS 443649-12-5)
- (4,4-Dimethyl-1,3-dioxolan-2-yl)methanol (CAS 344330-18-3)
- ((2S,3S)-3-Phenyloxiran-2-yl)methanol (CAS 104196-23-8)
- 4-(2,4-Dichlorophenyl)-N,N-dimethyl-5-(phenylsulfonyl)pyrimidin-2-amine (CAS 339107-80-1)
- 2556-53-8 Calcium dimethanolate Methanol, calcium salt (2:1) Methanol, calcium salt Calcium methylate EINECS 219-873-6 (CAS 2556-53-8)
- (S)-3-(1-Aminoethyl)oxetan-3-ol (CAS 2380433-33-8)
- 1-(2-(Isopentyloxy)ethyl)-4-methyl-1h-pyrazol-3-amine (CAS 1339385-57-7)
- 2-[(2-methylphenyl)sulfanyl]-2-phenylacetic acid (CAS 18626-45-4)
- 2-(4-Cyanophenyl)-2-methylpropanoic acid (CAS 1000804-51-2)
- 3-methyl-2-[(2-methylbenzoyl)amino]butanoic acid (CAS 1396968-32-3)
- 6-(Methylsulfonyl)-9H-purin-2-amine (CAS 82499-04-5)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
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