---
title: "EC50: research glossary | Sable Peptides"
description: "The EC50, or half maximal effective concentration, is the concentration of a compound that produces 50% of its maximal effect in a given assay. It is a mea"
canonical: https://www.sablepeptides.co.uk/glossary/ec50
publisher: Sable Peptides Limited (UK company 17488610)
note: Research use only. Not for human or veterinary use.
---

Glossary

# EC50

The EC50, or half maximal effective concentration, is the concentration of a compound that produces 50% of its maximal effect in a given assay. It is a measure of potency derived from a concentration-response curve and is commonly reported for peptide agonists in cell-based functional assays.

Source: [en.wikipedia.org](https://en.wikipedia.org/wiki/EC50)

## Related terms

-   [Peptide](/glossary/peptide)

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