CAS Registry Number

CAS 100-07-2 — 4-Methoxybenzoyl chloride

4-Methoxybenzoyl chloride is an aromatic acyl chloride widely used as an intermediate in organic synthesis, pharmaceuticals, and agrochemical production, enabling the formation of esters, amides, and ketones through acylation reactions. This clear to pale yellow liquid has a CAS number of 100-07-2, a molecular formula of CH3OC6H4COCl, and a molecular weight of 170.59 g/mol. It must be stored at ambient conditions but handled with caution, as it carries a **Danger** signal word due to its corrosive and reactive properties. Molekula supplies 4-Methoxybenzoyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.