CAS Registry Number

CAS 4857-06-1 — 2-Chloro-1H-benzimidazole

2-Chloro-1H-benzimidazole is a heterocyclic aromatic compound primarily used as a synthetic intermediate in pharmaceuticals, agrochemicals, and dyes. It serves as a key building block for producing fungicides like thiabendazole and other biologically active compounds. This white crystalline solid has a CAS number of 4857-06-1, a molecular formula of C7H5ClN2, and a molecular weight of 152.58 g/mol. It is stable under ambient storage conditions but requires careful handling due to its warning-level hazard classification. Molekula supplies 2-Chloro-1H-benzimidazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.