Buy 2, Get 1 Free: Primary Antibodies

Stock up and save on your favorite primary antibodies!

Use promo code: B2G124

Offer Ends: April 30th, 2024 (Valid in US and Canada*)
  • 1
    Rigorously tested for target specificity including KD/KO validation
  • 4
    Broad target coverage across multiple research areas
  • 2
    Validated in WB, IP, ELISA, IHC, IF, FC, & more
  • 5
    Cited in >200,000 citations
  • 3
    Reactivity against multiple species
  • 6
    Self-manufactured catalog with in-house validation

Search our catalog of Primary Antibodies

Proteintech is a leading provider of primary antibodies with an extensive portfolio of polyclonal, monoclonal, and recombinant antibodies.

All our primary antibodies are developed and validated in-house by Proteintech scientists to ensure high specificity and lot-to-lot consistency.

Polyclonal Antibodies

Recognize multiple epitopes on the protein of interest. Binds with very high affinity. Good for low abundant targets, rare species and mutated proteins.

Proteintech polyclonals are raised in rabbit.

Monoclonal Antibodies

Recognize a single epitope on the protein of interest. Low background, highly specific. Good for mid-high abundant targets. ​

Proteintech monoclonal antibodies are raised in mouse.

Recombinant Antibodies

Genetically defined monoclonals, recombinantly produced. Unrivalled reproducibility. Good for long-term, high-level projects.  ​

Proteintech recombinant antibodies are raised in rabbit. Learn more about our recombinant antibody production process.

Find Your Primary Antibodies



 Terms and Conditions:

  1. This promotion is only available to customers based in the USA and Canada.
  2. Offer cannot be used in conjunction with any other offers or discounts.
  3. Offer is valid from 3/1/24 - 4/30/24
  4. Purchase two full size antibodies and get a third full size primary antibody for free.
  5. Trial size (20ul) antibodies are not considered full sized antibodies and are therefore excluded from this promotion.
  6. All Chromotek and Humankine products are excluded from this promotion.
  7. Discount is applied to product(s) of the lowest cost.
  8. Tag/Control antibodies are included in this promotion.
  9. This promotion is only applicable to full sized primary antibodies.
  10. Discount may be applied to order of up to 9 qualifying products (up to 6 paid and 3 free products per order).
  11. Antibody trial packs cannot be redeemed as a single item.
  12. Shipping costs still apply.
  13. Offer is subject to stock availability.
  14. Available for direct order only.
  15. The promotion code must be entered at checkout or quoted on your email/fax order to be applied. We cannot apply the promotion retroactively.
  16. For further inquires, contact our customer service team at: 312-455-8498.
  17. Proteintech has the right to cancel or refuse this promotion at any time.
  18. Personal data captured during this promotion will be processed in accordance with applicable data protection regulations and Proteintech's privacy policy. You will be able to, at any time, modify, update, or remove personal data by writing to / emailing Proteintech.