Certain features of will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.



Don't be fooled by the small number of consumable items listed in our catalogs. This is only a sampling! Sigma-Aldrich carries a wide selection of laboratory equipment, supplies and books to support life science and R&D in more than 100 areas of interest. We invite you to browse our air sensitive, books, software, models, electrophoresis, glassware, multiwell plates, autoradiography, pipettes, & NMR product lines below. In addition to our own brands, you will find well-known brands such as Corning, Kodak, Eppendorf, Whatman, Greiner, IKA and Wilmad. The tools are here — all with the service and convenience you've come to expect from Sigma-Aldrich.