Laboratory Best Practices
Understanding Peptide Purity and COA Documentation
May 27, 2026
1 min read
Admin User
Learn how to read Certificates of Analysis and why purity matters in research.
When sourcing research peptides, the Certificate of Analysis (COA) is your primary quality assurance document. Every batch we ship includes HPLC and mass spectrometry results verifying identity and purity.
Reading a COA
Look for purity levels above 98% and verify the batch number matches your vial label.
Research Use Only. Not for human or animal consumption.
Research Use Only. Products sold by CoreVials LLC are intended solely for lawful laboratory research purposes and are not for human or animal consumption.
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