Ethenesulfinic acid CAS 4363-39-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4363-39-7 |
| Molecular Formula | C2H4O2S |
| Molecular Weight | 92.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethenesulfinic acid (CAS 4363-39-7) pharmaceutical standards reference standard. Molecular formula: C2H4O2S. Molecular weight: 92.12 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C2H4O2S |
| Molecular Weight | 92.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Recommended Standards
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- [2-(2,2-difluoroethoxy)pyridin-3-yl]methanamine (CAS 1423033-53-7)
- (R)-5,5'-Dibromo-3,3'-di-tert-butyl-6,6'-dimethyl-[1,1'-biphenyl]-2,2'-diol (CAS 2247273-30-7)
- 4'-Isopropyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 1100979-25-6)
- 4-([1,1'-Biphenyl]-2-ylmethyl)-N-isopropylpiperidine-4-carboxamide (CAS 1361116-77-9)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
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