Built for Your Discovery.
Backed by Validation.

Buy 2, Get 1 Free on R&D Systems unconjugated primary antibodies with promo code MOREABS3. Terms and conditions apply.

Whether you’re investigating a new target, exploring potential biomarkers, or developing a new assay, confidence in your results starts with primary antibodies supported by application-specific validation. R&D Systems™ unconjugated primary antibodies are backed by peer-reviewed citations, in-house validation data, and customer reviews to help you select the right antibody for your experiment.

For a limited time, purchase two R&D Systems unconjugated primary antibodies and receive a third R&D Systems unconjugated primary antibody free of charge.

3 for 2 Antibodies Promo Graphic

Buy 2 get 1 FREE on R&D Systems
unconjugated primary antibodies

With Promo Code: MOREABS3

Offer valid through October 31, 2026 in North America and Europe.
View Terms and Conditions for full details.

It’s simple to order and save:

  1. Add the eligible products to your cart.
  2. At checkout, enter promo code MOREABS3.
  3. When your order processes, you’ll receive a sale confirmation with your final order price.
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Data Integrity & Image Handling

We are committed to presenting antibody data that accurately reflects experimental results.

  • Images are presented to reflect experimental results, without alteration that changes interpretation
  • Experimental context is clearly defined, including application, sample type, and controls
  • Image quality supports interpretation, with appropriate labeling and detail

Learn more about R&D Systems Antibody Validation.

Terms and Conditions:

For a limited time, purchase two qualifying products and receive one free qualifying product using promo code MOREABS3. Offer valid on orders up to 10,000 USD with the maximum discount of 3,330 USD. The lowest value item(s) will be the free product(s). Qualifying products includes research use only R&D Systems unconjugated primary antibodies. Offer excludes Novus branded products, conjugated antibodies, secondary antibodies, sample sizes, catalog numbers ending in SP or SS, GMP grade products, custom and special orders, bulk quantities, recombinant proteins, small molecules, immunoassay kits, controls, instruments, and instrument consumables. Orders must be placed directly with Bio-Techne or R&D Systems. Offer is not valid through our extended distributor network. Offer applies to list price only and cannot be used in conjunction with any other offers or promotional discounts, for prior purchases or orders pending. No credits will be issued. All requests are offered at the company's discretion and are subject to availability and approval by Bio-Techne and R&D Systems. Offer valid only in North America, Europe, and United Kingdom. Offer limited to one use per customer. Additional exclusions may apply. Bio-Techne standard terms and conditions apply and are available at: www.bio-techne.com/terms-and-conditions. Offer valid until October 31st, 2026.