High-Quality Stock and Custom Peptides



  • Suitable for Stimulation Assays
  • High-Quality Control
  • ≥95% Purity and Mass Spec Analyzed
  • Custom tetramer generation using QuickSwitch™ and QuickSwitch™ Quant Tetramer



MBL International's stock and custom peptides can be used for stimulation assays along with custom tetramer generation using the QuickSwitch™ custom tetramer kits. All peptides undergo a rigorous quality control process to ensure they are high grade including MS, LC-MS and HPLC analysis as well as COA documentation to ensure at least 95% purity. 

A variety of sizes are available for custom peptides, from 1mg quantities up to 500mg and above. Peptide lengths can range from 2 amino acids to 100 amino acids depending on the peptide of interest. Most of these peptides will be shipped as quickly as 2-4 weeks. Custom peptides can be ordered by completing the form below located under "Custom Peptide Order Form".

Our stock peptides are specific to the MHC tetramer product line and contain peptides for popular disease targets such as CMV, MuLV, melanoma, prostate cancer and other virology and cancer targets. We offer over 150 stock peptides and provide faster shipping for added convenience.

See Stock Product Listing 

Custom Peptide Order Form 

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Classical MHC Tetramers and Monomers




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QuickSwitch™ Custom Tetramer Kits




Learn more about QuickSwitch™ Custom Tetramer Kits 

Flow Cytometry Antibodies and Reagents

      • Over 1,200 Products
      • Major targets such as CD4 and CD8
      • Popular fluorophores available
      • Antibodies, buffers, viability dyes, and more!



See Flow Cytometry Products