Purity & Potency

Purity and potency ask how much of the target peptide a sample actually contains, and how that figure is measured. This pillar explains what an HPLC area-percent purity result does and does not prove, why identity confirmation by mass spectrometry is a separate question from purity, and how content and net peptide mass differ from the single percentage most buyers focus on. A high number on a certificate means little without the method that produced it.

Articles in this Pillar / 5

1. 001HPLC for Peptides: What Every Buyer Should Look Forlabowned editorial
2. 002Peptide Purity Testing: What the Percentage Meanslabowned editorial
3. 003Mass Spectrometry: Confirming Peptide Identitylabowned editorial
4. 004Peptide Mapping: Confirming Sequence Beyond Mass and Puritylabowned editorial
5. 005Higher-Order Structure Testing: The Gap Beyond Sequence and Masslabowned editorial

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