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Back to the bench with FREE antibodies!

Get your 4th free when you buy 3.*

Get back to your experiments as quickly as possible with free antibodies!

CST has been operating and shipping throughout the pandemic, and 99.5% of our products are in stock. That means supply is continuous and there is no more waiting time.

For every 3 antibodies you buy, CST will give you a 4th FREE. The more you buy, the more you save!

Inside Europe? Use promo code EUBGF20 to receive every 4th antibody free.

Outside Europe? Please contact your distributor on how to take advantage of the B3G4 antibody offer.


Need more info?

If you would like to know more about this offer, or any of our products, submit the form below and we'll contact you right away!

Terms and Conditions

Offer applies to purchases of 3 antibodies or more, of which every 4th antibody is free from eligible locations. Free antibody must be of equal or lesser value to the lowest priced purchased antibody. Free antibody cannot be any SKU of #13684, #3287, #3633, or #72364. Eligible locations: Argentina, Bahrain, Brazil, Canada, Chile, Colombia, Costa Rica, Czech Republic, Denmark, Egypt, Finland, Hungary, India, Ireland, Israel, Jordan, Nigeria, Panama, Peru, Poland, Qatar, Romania, Russian Federation, Saudi Arabia, Serbia, Slovakia, Slovenia, South Africa, Switzerland, Turkey, United Arab Emirates, United Kingdom, and Uruguay. Expires September 30, 2020. No cash or cash equivalent. No substitutions. Offer may not be applied to existing, pending or prior orders. Promotion code EUBGF20 must be referenced when placing an order in Europe. All other products/services including but not limited to PTMScan® Services, and Custom orders are excluded. Cannot be combined with any other promotions or discounts. Items that are not eligible, tax and shipping and handling charges will not be included in determining merchandise subtotal. Void if copied or transferred and where prohibited by law. Institutional discounts may still be applied to other items that are not eligible for this offer. CST retains the right to stop the promotion at any given time without notice.