Antibody Loyalty Program 2017

At Sigma-Aldrich we like to reward loyalty!

We offer more than 80,000 antibodies produced in a variety of host species. Find high-quality primary antibodies for your protein of interest and secondary antibodies or other supplementary product by visting our Antibody Explorer Search Engine. A large proportion of our primary antibodies have been meticulously validated for certain immuno-applications, e.g. WB, IHC, IF, ELISA, ChIP, and Flow Cytometry. 

For every 6 antibodies purchased, you get one free-of-charge antibody*!


How it works:


  • Download a loyalty card. (click request button below)
  • Record your Sigma Antibody purchases on this card
  • When you have purchased 6 antibodies (in 1-6 orders) register all data online (click registration button below) or hand in this card to your Sigma-Aldrich representative
  • We will contact you to confirm your order details







* Campaign valid during 2017. Six antibodies must be purchased by December 31st, 2017. Receive one pack of your selected antibody free-of-charge. Where there are several pack sizes available, you will receive the smallest pack size free-of-charge. Shipping costs still apply. Valid for our complete range of Primary Antibodies, excl. the Prestige, Roche, CellMarque and Bethyl Antibodies as well as any antibody detecting tags used for recombinant protein purification. Offer valid for customers in USA, Canada, Middle East and Africa only.




Bioexpansion - Search our world-class antibody collection with the New Antibody Explorer