4-(Methylthio)-2-oxobutanoic acid CAS 583-92-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 583-92-6 |
| Molecular Formula | C5H8O3S |
| Molecular Weight | 148.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Methylthio)-2-oxobutanoic acid (CAS 583-92-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H8O3S. Molecular weight: 148.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H8O3S |
| Molecular Weight | 148.18 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) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-methyl-1,2,4-thiadiazole-5-carboxylic acid (CAS 859536-45-1)
- 4,5-Dihydroxy-1-methyltetrahydro-2H-imidazole-2-thione (CAS 265986-74-1)
- 3-Methanesulfonylcyclobutan-1-one (CAS 2089257-73-6)
- 3-Methoxy-2-methylbenzohydrazide (CAS 740799-69-3)
- 4-((2-(Cyclohex-1-en-1-yl)ethyl)amino)-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 866040-07-5)
- 5-(tert-Butyl)isoxazol-4-amine (CAS 87633-24-7)
- (S)-3-(4-aminophenyl)-3-ethylpiperidine-2,6-dione (CAS 57288-03-6)
- Ethyl 3-(2,4-difluorophenyl)-3-hydroxybutanoate (CAS 1275972-35-4)
- (E)-2-(thiophen-2-ylmethylene)quinuclidin-3-one (CAS 82955-19-9)
- D-Ala35-Tirzepatide (CAS CATO-CPTD788904)
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