Registration for is no longer available. To order your PeproTech products online, register or logon to



PeproTech ensures that all aspects of our quality management system - from management of raw materials and equipment to facilities maintenance (environmental monitoring), manufacturing processes, internal audits and inspection processes - are in compliance with relevant GMPs and all applicable regulatory and standards requirements.

We perform extensive quality control tests to verify that PeproGMP® Cytokines meet rigorous standards for purity, identity, safety, activity and consistency.

To talk to a PeproGMP® Cytokine Expert click here

Identity and purity

• N-terminal amino acid sequence analysis

• Molecular weight determination by mass spectrometry

• Reversed-phase HPLC analysis

• SDS-PAGE with Western blotting


Protein Content

• UV spectroscopy

• SDS-PAGE with Western blotting (if applicable)



• Residual E.coli DNA testing

• Sterility: beginning, middle and end processes

• Low endotoxin

• Mycoplasma


Biological Activity

• Specific activity determined by product-specific in vitro bioassay, against reference standard and (when applicable) against WHO standards


• Certificate of Analysis

• Certificate of Origin

• Safety Data Sheet (SDS)