O-Methyl Malathion β-Monoacid CAS 55733-40-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55733-40-9 |
| Molecular Formula | C7H13O6PS2 |
| Molecular Weight | 288.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
O-Methyl Malathion β-Monoacid (CAS 55733-40-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H13O6PS2. Molecular weight: 288.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H13O6PS2 |
| Molecular Weight | 288.28 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1972 |
| Sulfur Atoms | 2 |
Recommended Standards
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- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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