---
title: "Mole: research glossary | Sable Peptides"
description: "The mole (mol) is the SI base unit of amount of substance. Since 2019 it has been defined as exactly 6.02214076 × 10²³ elementary entities, the Avogadro nu"
canonical: https://www.sablepeptides.co.uk/glossary/mole
publisher: Sable Peptides Limited (UK company 17488610)
note: Research use only. Not for human or veterinary use.
---

Glossary

# Mole

The mole (mol) is the SI base unit of amount of substance. Since 2019 it has been defined as exactly 6.02214076 × 10²³ elementary entities, the Avogadro number. In the laboratory, moles allow comparisons between compounds of different molecular weight, for example preparing equimolar solutions of two peptides for a side-by-side assay.

Source: [en.wikipedia.org](https://en.wikipedia.org/wiki/Mole_\(unit\))

## Related terms

-   [Molecular weight](/glossary/molecular-weight)

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