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Complement C4

C4 is the fourth complement component. It is one of a group of serum proteins that are active in the body’s immune response to destroy infectious agents. Measurement of the level of the 4th complement component (C4) in serum can aid in the diagnosis of immunological disorders, especially those associated with deficiencies of complement components.


  • For the quantitative measurement of human complement C4 (4th complement component) by immunoturbidimetric assay.
  • Reagents are ready to use.

Control: ITA Controls

Product Availability: Americas

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Name Part Size
COMPLEMENT C4 KAI-010 4x20 mL (R1); 2x10 mL (R2)

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