SIGMA-ALDRICH

On-line retail store services, mail order services, mail order catalog services and electronic catalog services in the field of science and technology, namely, featuring chromatography apparatus, chromatography products, laboratory filters and glassware, laboratory equipment, tools, appliances and apparatus, chemicals for use in the manufacture of a wide variety of goods, including pharmaceuticals, chemicals, biochemicals and organic preparations for industrial, manufacturing, analytical, research, developmental, research and scientific use, laboratory chemicals and preparations