99% PURITY cas52190-28-0，2-FA

We provide and export high quality research chemicals in large and small quantities ... our products is as below: Our products are of high purity (above 99%).
If you have a good plan in new product production but lack of laboratory device and human resource, we are glad to solve this problem for you! 
1, We guarantee deep analysis and demonstration, purity above 99.8%.
2, Factory outlet with attractive price & large stock.
3, Safe & discreet shipping route.
4, We promise to reship policies if the post failed or refund if you need.
5, Customs clearance rate is 100% including Russia, Australia, and other countries.
6, TNT/UPS/DHL/EMS/FedEx or special line is available for you.
7, Payment terms: Western Union, Moneygram, Bitcoin, Bank wire for your choices.