A molecular structure found in some liquid crystals, so called because it was first noted in cholesteryl alcohol (in 1888). It occurs in some optically active compounds and in mixtures of chiral compounds and nematic liquid crystals.
Hangzhou ZeErRui Chemical Co., Ltd. Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square me.. Tianjin YR ChemSpec Technology Co.,Ltd. YR Chemspec?is a qualified manufacturer and supplier which audited and approved by SGS and ISO,we are strictly foll..