supply Melatonin Melatonine CAS 73-31-4

Product Name: Melatonin Melatonine CAS 73-31-4
Synonyms: Melatonin; 3-N-Acetyl-5-methoxyl tryptamine
CAS Number: 8041-44-9
Packing size: 5kg, 25kg/drum

Appearance	White or pale-white crystalline powder	White crystalline powder
Clarity and degree of opalescence of liquids:	1%ethanol and chloroform
Particle size:	100-120mesh	200mesh
Loss on drying:  0.10% MAX 0.05% MAX
Supplanted ash: 	0.1% MAX	0.005% MAX
Heavy metal: 	20 PPM MAX	7PPM
Melting point:	117-120degree 118.5 degrees
Relationed substances Single impurity: 1.00% max   0.50%max 
Single impurity: 	0.10% 	0.06%
Assay (TLC):	98.00%-102.00%	99.50%
Assay (HPLC): 98.00%-102.00%	99.35%
Storage: store in well-closed container protected from light
Conclusion: Conforms with JP14 standard, USP30