liquid crystal monomer E-mail: [email protected] [email protected] http://www.liquidcrystals.cn http://www.canaanchem.com Qingdao QY Liquid Crystal Co., Ltd. is a professional manufacturer and exporter of liquid crystal material, liquid crystal monomer,liquid crystal intermediate and Nematic liquid crystal, especially for polymer dispersed liquid crystal (PDLC) 4'-Heptyl-4-biphenylcarbonitrile CAS NO.41122-71-8 7CB; 4-HEPTYL-4'-CYANO-BIPHENYL; G.C.99.99%