PMSF, A serine protease inhibitor, Alternate Name/Synonyms: A-Toluenesulfonyl fluoride, Benzylsulfonyl fluoride, Phenylmethylsulfonyl fluoride, CAS Number: 329-98-6, Purity: G99%, An irreversible inhibitor of serine proteases and mammalian acetylcholinesterase, 25 mg