2-(4-Oxo-2-thioxo-3-thiazolidinyl)butanedioic acid CAS 31316-80-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31316-80-0 |
| Molecular Formula | C7H7NO5S2 |
| Molecular Weight | 249.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Oxo-2-thioxo-3-thiazolidinyl)butanedioic acid (CAS 31316-80-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7NO5S2. Molecular weight: 249.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H7NO5S2 |
| Molecular Weight | 249.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- Axitinib Impurity 48 (CAS 1959572-98-5)
- N-Methylpent-4-enamide (CAS 52565-61-4)
- N-(5-Oxo-1-(2,2,2-trifluoroethyl)-4,5-dihydro-1H-pyrazol-3-yl)methacrylamide (CAS 29572-45-0)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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