3-Hydroxy-5-methylhexanoic acid CAS 40309-49-7
| CAS No. | 40309-49-7 |
| Molecular Formula | C7H14O3 |
| Molecular Weight | 146.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Hydroxy-5-methylhexanoic acid (CAS 40309-49-7), a certified reference material (molecular formula C7H14O3, MW 146.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H14O3, 3-Hydroxy-5-methylhexanoic 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 146.18 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.
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 | C7H14O3 |
| Molecular Weight | 146.18 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.) | 1968 |
Related Hydroxy Standards
- 2-Hydroxy-5-methoxyhexan-3-one (CAS 101080-34-6)
- Methyl 4-hydroxy-2,2-dimethylbutanoate (CAS 1087347-28-1)
- 2-Ethyl-3-hydroxy-3-methylbutanoic acid (CAS 109106-81-2)
- 4-Hydroxy-5-methylhexanoic acid (CAS 111581-83-0)
- (R)-2-hydroxy-4,4-dimethylpentanoic acid (CAS 114990-91-9)
- Methyl 2-hydroxy-3,3-dimethylbutanoate (CAS 121129-31-5)
- Ethyl 3-hydroxy-2,2-dimethylpropanoate (CAS 14002-73-4)
- 3-Hydroxy-2-isopropylbutanoic acid (CAS 176712-60-0)
Recommended Standards
- 3-Hydroxy-4-methylhexanoic acid (CAS 59866-91-0)
- 3-isobutoxypropanoic acid (CAS 41255-87-2)
- 3-Hydroxy-4,4-dimethylpentanoic acid (CAS 88790-07-2)
- 3-Methoxycyclohexane-1,2-diol (CAS 460357-62-4)
- Norbornane (CAS 279-23-2)
- (S)-5,5-dimethylpyrrolidine-2-carboxylic acid (CAS 67639-74-1)
- 2-(1-(((Benzyloxy)carbonyl)amino)cyclopentyl)acetic acid (CAS 1339747-03-3)
- 2-Bromo-N-(2,3-dihydro-1H-inden-5-yl)acetamide (CAS 1341117-72-3)
- Methyl benzoyl-L-prolinate (CAS 114051-14-8)
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,5-difluorobenzyl)propanoic acid (CAS 1260591-24-9)
- tert-Butyl (5-cyanothiophen-2-yl)carbamate (CAS 603130-87-6)
- 2-((3-(Butylcarbamoyl)phenyl)carbamoyl)benzoic acid (CAS 940488-50-6)
- Ethyl 2-((4-chlorophenyl)amino)-4-methylpyrimidine-5-carboxylate (CAS 1256627-71-0)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com