Promotions

proteintech: 3 for 2 on Primary Antibodies

Stock up and save on your next discovery with Buy 2, Get 1 Free on Proteintech’s primary antibodies.
Highly cited polyclonal, monoclonal, recombinant, and conjugated antibodies to help you reach your goals.

Purchase two full size or 20ul antibodies and get a third full size or 20ul 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).
PBS-only version of full-size antibodies are not included in the promotion. They must be purchased at full price.
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 B2G126 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 at THP only.
Usual shipping costs still apply.
THP reserves the right to cancel or refuse this promotion at any time.

To take advantage of this offer, place an order using the code B2G126.
Offer ends June 30th 2026.

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MCE Spring Sale

Advance Your Research with Year-End Savings – Save up to 30% on selected products!

30% off: Ready-to-Use Compound Libraries
20% off: Isotope-labeled compounds / Reference Standards / siRNAs / miRNAs / Peptides / Recombinant Proteins / Biochemical Assay Reagents / Antibodies / Dye Reagents / Kits
10% off: Bulk Size Products / Custom Synthesis Services
Promotion ends May 31st 2026, no promo code needed.

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Bioss: current savings

Receive 25% off Published antibodies with code PUB25.
Receive 50% off Recombinant Antibodies (excluding biosimilars) with code RCAB50.
March 1st – June 3oth 2026

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Ray Biotech: current savings

25% off ELISA Kits with code ELISA25-261
25% off all Flow Cytometry Products with code FLOW25-26
March 1st – May 31st 2026

For all your sensitive and quantitative detection needs – whether you’re measuring low antigen concentrations, analyzing cellular regulation, conducting quality control studies, or tackling another challenge – RayBiotech is here to support you. With ELISA Kits that blend high-quality performance with competitive pricing and next-day shipping, you’ll generate more reliable data for confident decision-making.

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