5-(chlorosulfonyl)-2-methylbenzoyl chloride CAS 1426437-45-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1426437-45-7 |
| Molecular Formula | C8H6Cl2O3S |
| Molecular Weight | 253.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(chlorosulfonyl)-2-methylbenzoyl chloride (CAS 1426437-45-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6Cl2O3S. Molecular weight: 253.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6Cl2O3S |
| Molecular Weight | 253.10 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.) | 1991 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related chlorosulfonyl Standards
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- Methyl 4-(chlorosulfonyl)-2,5-dimethyl-3-furoate (CAS 306936-34-5)
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- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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