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Every product listed here is supplied as a research material for laboratory use only. Each lot is tested by an independent, accredited U.S. laboratory — HPLC to quantify purity against a ≥99% specification, and mass spectrometry to confirm identity — and the resulting Certificate of Analysis is published, matched to the lot number on the vial. New to sourcing research peptides? Our guide to reading a Certificate of Analysis explains what the purity and identity figures mean, and the Peptide Research Database covers the compounds themselves. All products are sold strictly for laboratory research use. Not for human or veterinary use.