Superiority:
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:
Appearance Pale yellow colored powder
Identification (HPLC)
The RT of the principle peak of sample should match with that of working standard
PH 3.0-5.0
Water 7.0-9.0%
Heavy Metals NMT 20ppm
Specific rotation +60 to +73
Total impurities NMT0.5%
Individual impurity NMT1.0%
Purity NLT 99.0%