Profile: Yancheng Jingwei Chemicals Co., Ltd. is engaged in the manufacture and sales of fine chemicals. We are an ISO 9001:2000 certified company. Our product line includes boc-amino acids, fmoc-amino acids, cbz-amino acids and amino acid derivatives. Our boc-amino acid series include boc-D-proline, boc-L-alamine, boc-L-cysteine, boc-L-glutamine, boc-leucine, boc-L-isoleucine, boc-L-phenylalanine, boc-L-threonine, boc-L-tyrosine and boc-L-serine. We offer tyramine dihydrochloride, 2,3,5-triphenyl-2H-tetrazolium chloride, 3,3'-dimethoxy-4,4'-bis-[3-(4-nitro-phenyl)-5-phenyl-tetrazolium-2-yl]-biphenyl, 4-hydroxypiperidine, triphenylchlorosilane and ethyl 2-aminothiazole-4-carboxylate.