Profile: Taiwan Hopax Chemicals Mfg. Co., Ltd. is a manufacturer of biological buffers, intermediates and specialty chemicals. We are an ISO 9001 certified company. Our pharmaceutical related products include HEPES, MES, MES-H, MOPS, HEPES.Na, MES.Na, TRIS-HCL, CPSC and INAP. We offer intermediates & monomers such as 1,3-PS, 1,4-BS, BRESNA, CLESNA, CHOPSNA, CAPS, HEPPS, bicine, tricine and homotaurine. Our 2-bromoethane-1-sulfonic acid sodium salt(BRESNA) is used as an intermediate for sulfonated products.