Peak Labs

Research Notes

Evidence-led notes on research peptides: purity and Certificate of Analysis interpretation, third-party testing, cold-chain handling and storage, written for researchers across the UAE and GCC. For research use only.

Amber laboratory glass vials with a soft-focus chromatography curve in warm gold and champagne tones
Identity Testing
22/07/2026 · 1 min read

Peptide Identity Testing: How Molecular Weight and Amino Acid Sequence Confirm What You Received

A look at how mass spectrometry and sequence confirmation establish peptide identity, distinct from purity testi...

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