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/alf/laboratory_chemical_suppliers.htm in English [Translate]
PI Chem provide fine chemicals, building blocks and pharmaceutical intermediates. With a strong supplier network combining an advanced information exchanging platform, we offer over 20,000 standard catalog products and flexible customer synthesis.
URL: http://www.pipharm.com in English [Translate]