Test a microsize for €99* / £85*


Test a microsize for €99* / £85*


Finding that new target might be easier than you think. Now until June 30, Cell Signaling Technology (CST) microsize antibodies are only
€99* / £85*. These sample-size versions (20 μl) of our fully validated, highly cited antibodies let you test them out in new experiments. You might just discover something big!




Choose from over one thousand microsize antibodies! Browse our complete microsize collection or start with some popular targets. To help make the choice a little easier, here are some of our customer’s favorites.


Popular Targets
  • #4691 Akt (pan) (C67E7) Rabbit mAb
  • #2983 mTOR (7C10) Rabbit mAb
  • #4060 Phospho-Akt (Ser473) (D9E) XP® Rabbit mAb
  • #8242 NF-κB p65 (D14E12) XP® Rabbit mAb
  • #2535 Phospho-AMPKa (Thr172) (40H9) Rabbit mAb
  • #2947 p21 Waf1/Cip1 (12D1) Rabbit mAb
  • #14697 Cas9 (7A9-3A3) Mouse mAb
  • #9661 Cleaved Caspase-3 (Asp175) Antibody
  • #2855 Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb
  • #3195 E-Cadherin (24E10) Rabbit mAb
  • #4511 Phospho-p38 MAPK (Thr180/Tyr182) (D3F9) XP® Rabbit mAb
  • #5174 GAPDH (D16H11) XP® Rabbit mAb
  • #4370 Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204) (D13.14.4E) XP® Rabbit mAb
  • #3724 HA-Tag (C29F4) Rabbit mAb
  • #4668 Phospho-SAPK/JNK (Thr183/Tyr185) (81E11) Rabbit mAb
  • #9718 Phospho-Histone H2A.X (Ser139) (20E3) Rabbit mAb
  • #9145 Phospho-Stat3 (Tyr705) (D3A7) XP® Rabbit mAb
  • #9733 Tri-Methyl-Histone H3 (Lys27) (C36B11) Rabbit mAb
  • #9139 Stat3 (124H6) Mouse mAb

U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom


Terms and Conditions

*Offer valid in Austria, Belgium, Germany, Luxembourg, Netherlands, mainland United Kingdom (England, Scotland and Wales) only. Expires June 30th, 2021. No cash or cash equivalent. No substitutions. Offer may not be applied to existing, pending or prior orders. The promotional code UKTS21 (mainland UK Only) or EUTS21 (Austria, Belgium, Germany, Luxembourg, Netherlands) must be referenced when placing order. Offer applies to catalog purchases of 20 μl sized monoclonal or polyclonal antibodies. Excludes ALK (#3633), ROS1 (#3287), PD-L1 (#13684), SS18-SSX (#72364) antibodies and antibody sampler kit products. Cannot be combined with any other promotions or discounts. Limit 1 promotional code per order. Items that are not eligible: tax and shipping and handling charges will not be included in determining merchandise subtotal. CST retains the right to stop the promotion at any given time without notice.