CAS Registry Number

CAS 65055-17-6 — 3-Chloro-4-fluorobenzoyl chloride

3-Chloro-4-fluorobenzoyl chloride is a specialty aromatic acyl chloride used primarily in pharmaceutical synthesis, agrochemical production, and fine chemical manufacturing as a key intermediate for chlorination and fluorination reactions. This reagent features a reactive acid chloride functional group alongside chloro and fluoro substituents, enabling precise functionalization in target molecule design. CAS 65055-17-6; molecular formula Cl(F)C6H3COCl; molecular weight 193.01 g/mol. Store at ambient temperature under dry conditions, away from moisture and incompatible materials. Hazard classification includes a **Danger** signal word due to severe skin/eye irritation and corrosive properties. Molekula supplies 3-Chloro-4-fluorobenzoyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.