p-Chloromercuribenzoic Acid

**Definition:** An organic mercurial used as a sulfhydryl reagent.

**Tree numbers:** - D02.241.223.100.200.311.275 - D02.241.223.100.500.261.275 - D02.455.426.559.389.127.250.311.275 - D02.455.426.559.389.127.500.261.275 - D02.691.750.740.644.261.275

**Synonyms:** - 4-Chloromercuribenzoic Acid - PCMB