1,in no less five years exporting experience.
2.lower price with higher quality
3,free sample
4,we are sincerely responsible for the "product quality" and "after service"
onchem specialized in apis, chemical intermediates, herbal extract and pharmaceutical raw materials.
company introduction:
onchem (china) co.,ltd is a comprehensive manufacturer and an international distribution of chemicals throughout the world. specialized in apis, chemical intermediates, herbal extract and pharmaceutical raw materials.
product detailed
product name | melatonine |
cas # | 73-31-4 |
molecular formula | c13h16n2o2 |
molecular weight | 232.28 |
content | min 99.5% melatonin |
qc | iso9001:2008 gmp production line |
appearance | white crystalline powder |
odour | characteristic |
particle size | 100% pass 80 mesh |
shelf life | two years |
storage | store in cool & dry place,keep away from strong light and heat |
package: 10g/pack,100g/pack,1kg/pack (aluminium foil bag)
storage:2 year
sample: we provide free sample.
delivery:
3days by ems,fedex,dhl.
factory picture:
welcome to our onchem (china) co.,ltd, and welcome to inquiry me about all our products, we will provide the competitive price for u. we are sincerely responsible for the "product quality" and "after service"