CAS Registry Number

CAS 604-44-4 — 4-Chloro-1-naphthol

4-Chloro-1-naphthol is an aromatic organic compound widely used as a coupling agent in azo dye synthesis, a reagent in biochemical assays, and a precursor in pharmaceutical manufacturing. It appears as a pale yellow to white crystalline powder with a faint phenolic odor. This chemical has a CAS number of 604-44-4, a molecular formula of ClC10H6OH, and a molecular weight of 178.61 g/mol. Store it at -15 to -20°C to maintain stability. It carries a signal word of "Warning" for safety classification. Molekula supplies 4-Chloro-1-naphthol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.