hangzhou dingyan chem is a leading manufacturer and supplier of chemicals in china.we develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals.
we could give you:
1.best quality in your requirement
2.competitive price in china market
3.mature technical support
4.professional logistic support
all we want is win-win business. send yr. inquiries, you will get it!
Details
appearancepale yellow colored powder
identification (hplc)
the rt of the principle peak of sample should match with that of working standard