rel-(2S,3R)-4-(isopentyloxy)-2,3-dimercapto-4-oxobutanoic acid CAS 142609-62-9
| CAS No. | 142609-62-9 |
| Molecular Formula | C9H16O4S2 |
| Molecular Weight | 252.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of rel-(2S,3R)-4-(isopentyloxy)-2,3-dimercapto-4-oxobutanoic acid is closely related to a sulfone group, 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 rel-(2S,3R)-4-(isopentyloxy)-2,3-dimercapto-4-oxobutanoic acid (CAS 142609-62-9), a certified reference material (molecular formula C9H16O4S2, MW 252.35 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H16O4S2, rel-(2S,3R)-4-(isopentyloxy)-2,3-dimercapto-4-oxobutanoic acid contains a sulfone group, 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 252.35 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 | C9H16O4S2 |
| Molecular Weight | 252.35 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Sulfur Atoms | 2 |
Recommended Standards
- (4-(Tert-butyl)phenyl)(o-tolyl)methanone (CAS 14252-16-5)
- Benzoyl(2-hydroxybenzoyl)methane (CAS 1469-94-9)
- n,n-Diallyl-2-(3-(hydroxymethyl)piperidin-1-yl)acetamide (CAS 1424047-31-3)
- Tert-butyl 4-(2-methylbut-3-yn-2-yl)piperazine-1-carboxylate (CAS 147539-53-5)
- LDHA-IN-4 (CAS 1370290-34-8)
- 3-(3-Chloro-5H-benzo[b]pyridazino[4,3-e][1,4]oxazin-5-yl)-N,N-dimethylpropan-1-amine (CAS 27225-85-0)
- 2-Bromo-3-(difluoromethoxy)-6-(trifluoromethyl)aniline (CAS 1805024-78-5)
- (2E)-1-[5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-4,5-dihydro-1,2-oxazol-3-yl]-3-(dimethylamino)prop-2-en-1-one (CAS 338422-61-0)
- 6-(Methylsulfonyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 1114555-03-1)
- N-(2,5-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 577763-65-6)
- (S)-3-(Methylthio)-1-(1H-tetrazol-5-yl)propan-1-amine (CAS 1379445-26-7)
- (3-Methyl-5-(pyrazin-2-yl)phenyl)boronic acid (CAS 2225154-40-3)
- 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)piperidine (CAS 1264198-72-2)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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