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Melatonin Melatonine CAS 73-31-4
юридически?
C13H16N2O2
73-31-4
cosmetic , pharmaceuticals
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


If you are interested in our products, pls contact me by email of onicon88 (a) hotmail dot com, or by website of 3w dot pharma-chemical dot com.
Industrial field additive, cosmetics, pharmaceutical
hangzhou onicon chemical co.,ltd
Phone 86-717-6307507
Fax 86-717-6307582
Homepage www.pharma-chemical.com
E-mail cjw9999@163.com
Address Bldg 19 Wenshayayuan/ jiangshan fenghua , No.198 Yanjiangdadao,Yichang City 443003 , Hubei province , China
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