CD-Chex Select®

CD-Chex Select is a positive flow cytometry control for CD26, CD41, CD57, CD58, CD61, CD64, CD79a, FMC7, MPO, TCR α/β and TCR γ/δ expression.

CD-Chex Select immunophenotyping quality control for flow cytometry

CD-Chex Select is a positive procedural flow cytometry control assayed for 11 CD markers used for immunophenotyping: CD26, CD41, CD57, CD58, CD61, CD64, FMC7, TCR α/β, TCR γ/δ, and intracellular CD79a and MPO. CD-Chex Select contains human leukocytes and erythrocytes that possess surface and intracellular antigens detectable with fluorescent monoclonal antibodies by flow cytometry and is designed to represent normal peripheral blood leukocytes where lymphocytes, monocytes, and granulocytes are distinguishable on the basis of light scatter properties…

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CD-Chex Select immunophenotyping quality control for flow cytometry

For Research Use Only. Not for use in diagnostic procedures.


  • Assayed for 11 CD markers, including 2 intracellular markers
  • Whole blood control resembles patient sample
  • Compatible with automated sample preparation instruments and BD Biosciences and Beckman Coulter flow cytometry systems
  • 30-day open-vial stability; 90-day closed-vial stability


  • Manufacturer established assay ranges – no need to verify range per CAP requirements
  • Compatibility with automated sample preparation instruments improves laboratory workflow and reduces errors
  • Reduces the need for labs to hold and validate patient samples for use as a control
  • Access to STATS®, our free interlaboratory quality control program for peer group data comparison
DescriptionCatalog Number
2 x 3.0 mL (Sample 1, Sample 2) 213554
4 x 3.0 mL (Sample 1, Sample 2) 213555

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Quality Pillars for Building Measurement Assurance in Flow Cytometry

The webinar provides updates on the current best quality practices in flow cytometry and case studies for assay, reagent and instrument monitoring.

We offer a comprehensive line of positive procedural controls and cellular stabilization products for immunophenotyping by flow cytometry. Our CD-Chex® quality controls provide you with assay values for various leukocyte populations, intracellular and surface markers, and our cellular stabilization products allow you to preserve samples for extended periods of time, eliminating the need for cold-chain shipping or immediate processing.

Flow Cytometry Quality Control and Stabilization products

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