2,3-Dihydro-5-mercapto-3-oxo-4-isothiazolecarboxylic Acid Trisodium Salt CAS 76857-14-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76857-14-2 |
| Molecular Formula | C4H3NO3S2 3*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydro-5-mercapto-3-oxo-4-isothiazolecarboxylic Acid Trisodium Salt (CAS 76857-14-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H3NO3S2 3*Na. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H3NO3S2 3*Na |
| Molecular Weight | 200.18 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-(Difluoromethyl)-6-methoxypyridine-2,5-diol (CAS 1804712-61-5)
- 4-(Chloromethyl)-2,2-dimethyl-1,2-dihydrobenzo[f]isoquinoline (CAS 217480-50-7)
- 8-((Benzyloxy)carbonyl)-2,8-diazaspiro[4.5]Decane-3-carboxylic acid (CAS 2306263-08-9)
- 1-methyl-2-oxo-pyridine-4-carbaldehyde (CAS 94170-15-7)
- (R)-1-(3,5-dibromophenyl)-2-methoxyethan-1-amine (CAS 1269984-07-7)
- Methyl pyrrolidin-3-ylcarbamate (CAS 184107-53-7)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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 13829788188 / jacky.chen@cato-chem.com