CAS Registry Number

CAS 635-93-8 — 5-Chlorosalicylaldehyde

5-Chlorosalicylaldehyde is an aromatic aldehyde featuring a chlorine substituent and hydroxyl group on a benzaldehyde core, widely used as an intermediate in organic synthesis, pharmaceuticals, and agrochemical production. It serves as a key building block for dyes, fragrances, and heterocyclic compounds. This chemical has a CAS number of 635-93-8, molecular formula ClC6H3(OH)CHO, and a molecular weight of 156.57 g/mol. It is stable at ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word for moderate hazard. Molekula supplies 5-Chlorosalicylaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.