3,5-Bis(methylsulfonyl)benzoyl chloride 3,5-bis(methylsulphonyl)benzoyl chloride 90649-99-3 CAS 90649-99-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90649-99-3 |
| Molecular Formula | C9H9ClO5S2 |
| Molecular Weight | 296.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,5-Bis(methylsulfonyl)benzoyl chloride 3,5-bis(methylsulphonyl)benzoyl chloride 90649-99-3 (CAS 90649-99-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9ClO5S2. Molecular weight: 296.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9ClO5S2 |
| Molecular Weight | 296.75 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Bis Standards
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Recommended Standards
- 677737-58-5 1-{[(4-Chlorophenyl)methylidene]amino}-4-phenyl-1H-imidazol-2-amine DTXSID90636034 (CAS 677737-58-5)
- Amlodipine Impurity 134 (CAS CATO-C4X-1095134)
- tert-Butyl 2-(chloromethyl)-4-methoxy-1H-benzo[d]imidazole-1-carboxylate (CAS 558445-48-0)
- 4-methylpentane-1,3-diol (CAS 54876-99-2)
- Ochromycinone (CAS 28882-53-3)
- 1-(4-Methylphenyl)-5-oxo-3-pyrrolidinecarboxylic acid hydrazide (CAS 331727-49-2)
- Tert-butyl 6-(1-hydroxyethyl)-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 1779807-75-8)
- 6-Bromo-8-methyl-1,4-dihydroquinolin-4-one (CAS 2345601-71-8)
- 2-(Chloromethyl)-5-cyano-4-(difluoromethyl)-3-iodopyridine (CAS 1804731-19-8)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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