A leading manufacturer of research chemicals, metals and materials including high purity inorganics, organics and organometallics, precious compounds and catalysts, rare earth compounds and metals, labware and more.
URL: http://www.alfa.com/en/cas/107-22-2 in English [Translate]
Pharmasi Chemicals Co.,Ltd.is one of the leading comprehensive entity specializing in researching,production and trading of a wide field of chemicals as follows:API;raw materials for aminal use; chiral compounds,fine chemicals,special chemicals..
URL: http://www.pharmasichem.com [Translate]
