CAS Registry Number

CAS 1765-40-8 — Pentafluorobenzyl Bromide

Pentafluorobenzyl bromide is a highly fluorinated aromatic compound used primarily as a reagent in organic synthesis, particularly for introducing pentafluorobenzyl protecting groups in pharmaceutical and agrochemical research. It is also employed in fluorinated polymer chemistry and as an electrophile in nucleophilic substitution reactions. This chemical has a CAS number of 1765-40-8, a molecular formula of C6F5CH2Br, and a molecular weight of 260.99 g/mol. It should be stored at ambient temperature, with a signal word of "Danger" indicating high reactivity and potential hazards. Molekula supplies pentafluorobenzyl bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.