4-Hydroxy-3-methylbutanoic acid CAS 77220-86-1
| CAS No. | 77220-86-1 |
| Molecular Formula | C5H10O3 |
| Molecular Weight | 118.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Hydroxy-3-methylbutanoic 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.
CATO supplies 4-Hydroxy-3-methylbutanoic acid (CAS 77220-86-1), a certified reference material (molecular formula C5H10O3, MW 118.13 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H10O3, 4-Hydroxy-3-methylbutanoic 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 118.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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), 4-Hydroxy-3-methylbutanoic 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 | C5H10O3 |
| Molecular Weight | 118.13 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.) | 1979 |
Related Hydroxy Standards
- N’-hydroxy-2-methoxypropanimidamide (CAS 1251430-35-9)
- 3-Hydroxy-2-(hydroxymethyl)-2-methylpropanal (CAS 18516-18-2)
- (R)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-02-5)
- (S)-2-Hydroxy-2-methylbutanoic acid (CAS 37505-07-0)
- 2-Hydroxy-2-methylpropanehydrazide (CAS 42596-46-3)
- 3-Hydroxy-2-ethylpropionic acid (CAS 4374-62-3)
- 4-Hydroxy-2-methylbutanoic acid (CAS 81381-89-7)
- Methyl 3-Hydroxy-2-methylpropanoate (CAS 42998-03-8)
Recommended Standards
- 4-Methoxybutyric Acid (CAS 29006-02-8)
- 4-Ethynylphenol (CAS 2200-91-1)
- 4-Methoxytetrahydrofuran-3-ol (CAS 98070-17-8)
- 4-Amino-n-hydroxybutanamide (CAS 81485-19-0)
- 3-Chloro-5,6,7,8-tetrahydro-1,6-naphthyridine hydrochloride (CAS 1260879-95-5)
- 2-(Pyridin-3-yl)benzo[d]oxazole (CAS 2295-42-3)
- 6-Benzylpyridin-3-amine (CAS 40296-80-8)
- (S)-2-((tert-Butoxycarbonyl)amino)-2-(4-fluorophenyl)acetic acid (CAS 142186-36-5)
- Methyl 1H,2H,3H,4H-pyrrolo[1,2-a]pyrazine-8-carboxylate (CAS 1499207-49-6)
- ETHYL 3-(1-TRITYL-1H-IMIDAZOL-4-YL)PROPANOATE (CAS 184030-80-6)
- 5-[(4-tert-butylphenoxy)methyl]furan-2-carboxylic acid (CAS 74556-54-0)
- 2-(4-Fluoro-2-(isopentyloxy)phenyl)ethanol (CAS 1443303-52-3)
- Chloramphenicol ß-D-galactoside (CAS 191476-32-1)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
Why CATO?
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