Cetyltrimethylammonium Bromide, also known as CTMAB, is a cationic surfactant with the CAS number 57-09-0. CTMAB is commonly used in biochemistry and molecular biology as a detergent and as a protein denaturant. It can also be used as a disinfectant, antistatic agent, and emulsifier. Our CTMAB is of the highest quality, with a purity of >98%.