3 for 2 on Primary Antibodies
Stock up and save on your next discovery
Highly cited polyclonal, monoclonal, recombinant, and conjugated antibodies to help you reach your goals.
When you need it all.
Use promo code: B2G125
Offer valid from May 19th to June 30th, 2025.Terms and conditions apply.
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Rigorously tested for target specificity including KD/KO validation
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Broad target coverage across multiple research areas
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Validated in WB, IP, ELISA, IHC, IF, FC, & more
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Cited in >300,000 citations
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Reactivity against multiple species
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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.
CoraLite-conjugated Antibodies
Proteintech offers the most extensive portfolio of fluorophore-conjugated antibodies, specifically developed and validated for immunofluorescence applications.
Now available with CoraLite Plus 488, 555, 594, and 647.
Terms and Conditions:
- This promotional offer is only available to customers based in the UK and Europe (excluding Turkey).
- Valid from 19 May until 30 June, 2025.
- Purchase two full size antibodies and get a third full size antibody for free.
- Product of equal or lesser value will be chosen as the free product.
- Discount may be applied to orders of up to 9 qualifying products (up to 6 paid and 3 free products per order).
- Trial size (20ul) antibodies are not considered full sized antibodies and are therefore excluded from this promotion.
- All ChromoTek, HumanKine, and Genomics products are excluded from this promotion.
- Tag/Control antibodies are included in this promotion.
- Antibody trial packs cannot be redeemed as a single item.
- This promotion code cannot be used in conjunction with any other promotional offer.
- The promotion code B2G125 must be entered at checkout or quoted on your email/fax order to be applied. We cannot apply the promotion retroactively.
- Available for direct orders only.
- Usual shipping costs still apply.
- Proteintech reserves the right to cancel or refuse this promotion at any time.