p-chloromercuribenzoate


p-chlor·o·mer·cu·ri·ben·zo·ate (PCMB, pCMB, p-CMB),

(klōr'ō-mer'cyū-rē-ben'zō-āt), Organic mercury compound that reacts with -SH groups of proteins; an inhibitor of action of those proteins (enzymes) that depend on -SH reactivity.