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Buy 2, Get 1 Companion Product FREE*!

Try our IHC SignalStain® reagents and enhance your IHC signal in your next assay!

While validated antibodies are critical for success, optimized companion products make a significant difference. Ensure consistent, high-quality IHC results with thoroughly validated antibodies and reagents from CST.

From May 1 to June 30, purchase 2 IHC-validated antibodies and get 1 IHC SignalStain companion product free.* Use promo code EUB2G1IHC at checkout to redeem this offer.

Choose your IHC SignalStain companion products from this list:

  • 84583L SignalStain® Mounting Medium II
  • 27290S SignalStain® Aqueous Mounting Medium
  • 50815S SignalStain® Mounting Prep Solution
  • 14746S SignalStain® Citrate Unmasking Solution (10X)
  • 14747S SignalStain® EDTA Unmasking Solution (10X)
  • 8059S SignalStain® DAB Substrate Kit
  • 8114P SignalStain® Boost IHC Detection Reagent (HRP, Rabbit)
  • 8125P SignalStain® Boost IHC Detection Reagent (HRP, Mouse)
  • 8112L SignalStain® Antibody Diluent

Every CST product is:

  • Guaranteed to perform as expected every time.
  • Never sold until we’re 100% sure it is specific and will perform correctly.

This means that CST products deliver:

  • Unsurpassed specificity – for unambiguous results.
  • Unparalleled consistency – with no variability.
  • Unmatched data quality – so you can have complete confidence in your results.
  • Fast time to results – so you can keep your project moving forward.
CST b2g1 IHC

IHC analysis of paraffin-embedded human breast carcinoma comparing SignalStain® Antibody Diluent (top) to TBST/normal goat serum (bottom) using Phospho-Akt (Ser473) (D9E) Rabbit mAb #4060.

CST b2g1 IHC

* Terms and Conditions: Offer applies to one (1) free eligible IHC SignalStain reagent with the purchase of two (2) full-sized IHC-validated primary antibodies (S or L size) in the same order for eligible locations. Eligible locations: Bahrain, Bulgaria, Croatia, Czech Republic, Denmark, Finland, France, Gambia, Hungry, Ireland, Israel, Jordan, Kuwait, Lebanon, Norway, Oman, Poland, Qatar, Romania, Saudi Arabia, Serbia, Slovakia, Sweden, Switzerland, Turkey, United Arab Emirates, and Yemen. Eligible IHC SignalStain reagents: 84583L, 27290S, 50815S, 14746S, 14747S, 8059S, 8114P, 8125P, and 8112L. Promotion code: EUB2G1IHC must be referenced when placing an order. No cash or cash equivalent and cannot be sold or otherwise bartered. No substitutions. Offer valid on new catalog orders only, restrictions apply. Offer may not be applied to existing, pending or prior orders, ineligible items, taxes, or shipping and handling charges. Returns of any portion of the purchase will require equal forfeiture of offer or amount equal to offer. All other products/services including but not limited to PTMScan® Services, Antibody Duets, “BSA and Azide Free” antibodies, SignalStar™ Multiplex IHC products, and custom orders are excluded. Cannot be combined with any other promotions or discounts. Void if copied or transferred, where prohibited by law or otherwise restricted. Offer Expires: June 30, 2025. Cell Signaling Technology (together with its subsidiaries, “CST”) retains the right to modify or stop the promotion at any time without notice.

10% Off NEB Monarch Spin RNA Isolation Kit (Mini) #T2110

Concerned about environmental impact but still need high yield and purity for your RNA miniprep? New England Biolabs’ Monarch® spin columns offer both environmental and cost-saving advantages.

Designed with reduced plastic content and no O-rings, eliminating buffer retention and the risk of salt carry-over contamination, resulting in highly pure nucleic acid. Their compact packaging further lowers environmental impact by reducing shipping volume.

A free trial sample is available to customers in the Republic of Ireland and Northern Ireland. Submit your request HERE.

Monarch® Spin RNA Isolation Kit (Mini) #T2110 now at 10% off*. Use code SPIN10 in your order to avail of this discount. Offer valid until September 25, 2025.

* Please note, this offer is only valid in the Republic of Ireland. For all other orders, please contact a Product Specialist.

Highly pure and concentrated RNA suitable for low input applications.

Multiple sample types with single all-in-one kit.

Remove genomic DNA contamination with specialized columns, Proteinase K, RNase-free DNase and RNA stabilization reagent included.

Fully optimized protocol.

The protocols are optimized to be quick and user‑friendly, ensuring total RNA pool is captured including small RNAs <200 nt RNA.

Sustainability & value.

Flexible purchasing options help avoid waste.

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