Profile: Wujiang Yingchuang Chemical Co., Ltd. specializes in the development and production of new drugs and pharmaceutical intermediates. Our products include benzene, pyridine, pyrimidine, quinoline, indole, pyrazine, pyridazine, piperidine, phosphine reagents, amino acid & polypeptide and piperazine series products. Pyridazine series products include 2-amino-5-bromopyrazine, 2,5-dichloropyrazine, 2,3-diethylpyrazine, 2,6-dimethoxypyrazine, 3-aminopyrazine-2-carboxylic acid, 4,5-dichloropyridazin-3(2H)-one, 2-amino-5-bromopyrazine, 2,5-dibromopyrazine and 2-aminomethyl-pyrazine. Our piperazine series products include 1-benzoylpiperazine, 1-benzyl-3-piperidinol hydrochloride, 1-N-boc-piperazine, ethyl N-piperazinecarboxylate and 4-N-boc-2-oxo-piperazine.