Buy one, trial one

Buy any 150ul antibody and get a free 20ul trial size antibody. Offer only available in Europe.


Valid on the full catalogue of antibodies against 13,000 human targets, all manufactured and validated in-house. Proteintech 20ul trial size vials are a cost-effective solution  perfect for multiple  target  analysis.

  • The promotion can be applied to single orders of multiple antibodies as long as the antibodies are ordered in pairs.   For example: order 3 x 150ul antibodies and choose 3 x 20ul antibodies free in a single order.

  • All chosen antibodies must be added to the basket. Discount will be applied at the checkout

  • Free 20ul antibodies must be against a different target to the 150ul antibody.

Terms and conditions apply. Offer ends December 17th 2021.

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Antibodies from our bench to your bench

• Antibodies validated with siRNA knockdown/knockout technology

• Cited over 120,000 times in journals worldwide

• Antibodies raised against whole protein immunogens

• Transparency - open access validation images and datasheets


Terms and conditions

  • This promotional offer is available to customers based in Europe only.

  • The chosen free 20ul antibody (or antibodies) must be added to the online basket or stated on the PO for the promotion to be valid. Free 20ul antibodies will not automatically be added to orders of 150ul antibodies.

  • This promotion is valid on any 150ul/20ul antibodies currently available in the Proteintech catalog. Custom produced antibodies are not included.

  • The free 20ul antibody must be a different antibody target and catalogue number to the purchased 150ul antibody.

  • This promotion is only valid between 2nd - 17th December 2021.

  • Antibodies must be ordered in the same transaction/PO to qualify for the promotion.

  • The promotion can be applied to single orders of multiple antibodies as long as the antibodies are ordered in pairs; discount will be applied at the checkout to the 20ul antibodies when the promo code is entered. E.g order 3 x 150ul antibodies get 3 x 20ul antibodies free.

  • This promotion is valid on antibodies only. HumanKine Active Cytokines and Growth-Factors and Chromotek Nanobodies are not included.

  • This promotion code cannot be used in conjunction with any other promotional offer.

  • The promotion code must be entered at checkout or quoted on your email/fax order to be applied to your order.

  • Proteintech reserves the right to cancel or refuse this promotion at any time.

  • Usual shipping costs will still apply.