melatonin - 99%
melatonin For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale melatonin, Made in China, High Quality Products!, China melatonin, chemical Supplier, Manufacturer.
IDENTIFICATION Ir & nmr spectrum
CHARACTERISTIC WHITE CRYSTAL OR WHITE CRYSTALLINE POWDER
ASSAY(TCL) ≥99.5%
WATER CONTENT 0.5%MAX
RESIDUE ON IGNITION ≥0.5%MAX
HEAVY METAL 20ppm MAX
HPLC ≥99.5%
WUHAN YUANCHENG TECHNOLOGY DEVE.,CO.,LTD
Address: 496 zhongshan road,wuhan, WUHAN, Hubei, China, 430064
Tel: 0086-27-68886697
We are one of largest manufacturers of cinnamic acid,cinnamic aldehyde,cinnamic alcohol,methyl cinnamate,ethyl cinnamate
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