R&D Systems Guarantee

R&D Systems manufactures the majority of our products offered and as a result, these products are tested and validated at our facilities. We have full confidence in our product quality and our commitment to satisfying our customers is unparalleled. Our attention to quality allows us to offer a 100% guarantee on all of our products. If our products do not perform in your hands as stated on the datasheet, please contact our technical service team. You will be offered a full refund, credit or replacement product if we are unable to resolve the issue to your satisfaction.


  • Guarantee only for products purchased directly from R&D Systems/ Bio-Techne or our authorized distribution partners
  • Products must be stored and used as directed on the datasheet
  • Products must be used before their expiration date
  • Tocris products are only guaranteed to conform to the specifications on their datasheet.
  • Customer must contact technical service for assistance

More information can be found on our Legal Information page.