Save up to 35% on select reagents with code YEAREND26 through December 31, 2026, and claim a Cell-ebration Scarf with qualifying purchases. Valid on qualifying purchases in the United States, Canada, the United Kingdom, and Europe.

As 2026 comes to a close, celebrate the science that moved your research forward with savings on the reagents you rely on every day. Save up to 35% on qualifying purchases of proteins, antibodies, ELISA kits, small molecules, and cell culture products. Plus, claim a complimentary Cell-ebration Scarf to celebrate your discoveries.

From assay development to data generation, our rigorously validated reagents provide the consistency and reliability needed to move your work forward with confidence. Backed by knowledgeable teams who understand the realities of your work, the R&D Systems™ portfolio delivers dependable lot-to-lot consistency and reliable performance, helping you reduce troubleshooting, streamline workflows, and stay focused on your research.

How It Works

Use promotion code YEAREND26 to:

• Save 20% when you spend $1,200, plus a Cell-ebration Scarf 
• Save 35% when you spend $4,500, plus a Cell-ebration Scarf 

After completing a qualifying purchase claim your Cell-ebration Scarf via this form. 

Offer valid through December 31, 2026 in the US, Canada, United Kingdom, and Europe. View Terms and Conditions for full details.

How To Order

It’s simple to order and save:

1. Add eligible products to your cart. 
2. At checkout, enter promo code YEAREND26.
3. When your order processes, you’ll receive a sales confirmation with your final order price.

Need help placing your order? 
For local sales, order, or invoice support, please see our Contact Us page.

Currency Equivalents:

Terms & Conditions:

For a limited time, receive 20% off qualifying products when you spend 1,200 USD or 35% off qualifying products when you spend 4,500 USD (or regional currency equivalent) plus a Cell-ebration Scarf, using promo code YEAREND26 with a qualifying purchase. Offer valid on orders up to 10,000 USD with the maximum discount of 3,500 USD. Qualifying products include research use only and animal-free recombinant proteins, antibodies, R&D Systems ELISA kits, small molecules, and cell culture products. Offer excludes Novus branded ELISA kits, sample sizes, catalog numbers ending in SP or SS, GMP products, custom and special orders, conjugation-on-demand antibodies, bulk quantities, Tocriscreen compound libraries, six packs, and pharm packs, control sets, IVD kits, Luminex assays, 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 or if special pricing applies under an agreement with R&D Systems. 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 United States, Canada, Europe, and United Kingdom. Customers are eligible to use this discount code only once. Bio-Techne standard terms and conditions apply and are available at: www.bio-techne.com/terms-and-conditions. Offer valid until December 31st, 2026 or until promotional supplies are depleted, whichever comes first. In order to receive a gift, eligible orders must be submitted on the web form located at rndsystems.com/cellebrationscarf no later than December 31st, 2026, or while supplies last. Limit one gift per qualifying order. Gifts are not available for purchase. Please allow up to 9 weeks for gift eligibility verification and fulfillment after the conclusion of the promotion. Practicing healthcare professionals (“HCPs”) and government officials are not eligible. HCPs include, but are not limited to, physicians, physician assistants, nurses, clinical fellows with patient-care responsibilities, pharmacists with prescribing or purchasing influence, teaching hospitals, or any individual legally defined as a healthcare professional in their jurisdiction. By submitting a request, you confirm that accepting a gift from R&D Systems is permitted under applicable laws, regulations, employer policies, and professional codes. Offer cannot be combined with other discounts or promotions. Gift may vary from image shown. Additional restrictions may apply.