Vitrine de LTHXY Luotian Hengxingyuan Chemical Co.,Ltd.

Dimanche 24 octobre 2010

Melatonin Chemical name:N-Acetyl-5-Methoxytryptamine Molecular formula:C13H16N2O2 Molecular weight:232,28 CAS No:73-31-4 Assay:Min99% Quality standard:Enterprise standard Property:white or almost-white powderLocalisation : No.88, Chengbei Road, Luotuoao Town, Luotian County, P.R.China...