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Bethyl Laboratories (Fortis Life Sciences)

For over 50 years, Bethyl Laboratories (now a Fortis Life Sciences brand; TX, USA)  has been dedicated to improving lives by supporting scientific discovery through qualified antibody products and custom services. We are vertically-integrated from immunization through manufacturing and validation. All of our antibodies are highly validated using six pillars of validation, meaning that our antibodies do what we say they’ll do. Our catalog of over 6,500+ primary antibodies, 1,200+ secondary antibodies and 50+ ELISA kits includes reagents for multiplex immunofluorescent (mIF) assays, flow cytometry, and more in fields including immunology, oncology, and neuroscience. You can also collaborate with our scientists to develop a custom monoclonal or polyclonal antibody, or a custom IHC or multiplex IF assay. We also offer custom conjugation of any primary antibody in our catalog.

Our scientists excel at making custom antibodies to the following target types:

  • Cell surface, secreted and intracellular targets
  • Anti-idiotype antibodies
  • Post-translational modifications (phospho-specific antibodies)
  • Small molecules