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Hangzhou Onicon Chemical Co., Ltd.



Product Category : Chemicals >> Pharmaceutical Chemicals
Product Code : 73-31-4
Product Name : Melatonin Melatonine CAS 73-31-4
Product Info : 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



Contact Information
Company :   Hangzhou Onicon Chemical Co., Ltd.
Business Type :   Manufacturer
Address :   303-306 Hangzhou Pharmaceutical (Yiyao) Building,NO.439 Zhongshan North Rd.
City & Country :   Hangzhou , China
Tel No. :   +86 571 85054016
Fax no. :   +86 571 85054082
Website :   http://www.22628.tradebig.com
Contact Person :   E Chen
e-Mail :   Click here to contact us

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