We are offering ammonium benzoate extra pure c7h9no2 m.w.139.16 gmol assay(by acidimetry) min. 98% maximum limits of impurities ph(10%, in water) 6-8 heavy metals(as pb)...
We are offering tetrabutylammonium bromide. Cas: 1643-19-2 molecular formula:c16h36brn molecular weight:322.36774 g.m.chemsys driven by its passion for adhering to international quality standards has created an excellent in-house r&d centre, focused on identifying and...