Antibodies

Explore our antibody portfolio with peace of mind


 Guaranteed Performance

We promise to offer industry leading quality antibodies supported by exemplary scientific support and we want to empower you to explore the biology of the world around us with no risk.

We invite you to evaluate our antibody products with complete peace of mind. If our antibody does not perform in your application of interest – we will issue a full credit or replacement antibody product.

How it works:

  1. Place your antibody order online or contact our global technical service offices
  2. Following your evaluation, if you are not completely satisfied with the performance of the antibody, complete our Antibody Guarantee Form.
  3. Our technical service team will contact you within 24-48 hours to review the details of your experiment and complete your claim*.

*Experimental results must be submitted via the Antibody Guarantee Form within 12 months of the date of purchase. All required fields of the Antibody Guarantee Form must be completed. Refunds and replacements contingent to claim review by technical service team. Credit covers the cost of antibody. Product replacements depend on product availability. Antibodies purchased in bulk order or for resale purposes are expressly excluded from this Guarantee. This Guarantee is non-transferable and void upon resale of antibody.
 

Find and buy antibodies using the antibody explorer at Sigma-Aldrich. Find It First
Find your antibody or browse our collection with the Antibody Explorer Search Tool

 

 Frequently Asked Questions

  1. Do I need to reference a promo code during my purchase to take advantage of the Antibody Guarantee?
    No, a promo/offer code is not necessary. All antibodies are automatically included in our Antibody Guarantee.

  2. Is there a time limitation within which the antibody must be tested in order for this refund policy to be valid?
    Yes, all data must be submitted via the Antibody Guarantee Form within 12 months of the date of purchase. All required fields of the Antibody Guarantee Form must be completed.

  3. Does the Antibody Guarantee apply to more than one antibody purchase? If I buy two antibodies and use them at different times, are they both guaranteed?
    Absolutely. The Antibody Guarantee applies to as many antibodies as you would like to evaluate, provided they are under warranty at the time you submitted the Antibody Guarantee Form.

  4. Does the antibody need to be returned if my experiment is unsuccessful?
    No, the antibody does not need to be returned, however you must complete all required fields of the Antibody Guarantee Form.

  5. Once I fill out the Antibody Guarantee Form, will I receive a refund or a replacement antibody?
    If your product was under warranty at the time you submitted the Antibody Guarantee Form and you remain unsatisfied with the antibody, then we will either issue you a full credit that covers the cost of the antibody or a replacement antibody, at your preference. All refunds and replacements are contingent to claim review by our technical service team, and product replacements depend on product availability.

  6. How soon after I fill out the Antibody Guarantee Form can I expect my refund or replacement product?
    Our technical service team will review your Antibody Guarantee Form and contact you within 24–48 hours to review the details of your experiment with you. Refunds and/or replacements will be provided within a reasonable time period after we reach you and determine the proper remedy for your product.

  7. Is there an expiration date for this Antibody Guarantee?
    No! MilliporeSigma is dedicated to providing you with quality antibody products, and committed to providing you with complete peace of mind with your antibody purchase.

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