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Trust

Every batch. Independently verified.

Every lot we sell is tested by an independent ISO 17025 accredited laboratory, and every certificate is published in full. Not a summary. The certificate.

Open the COA library

What every panel covers

  • Purity

    01

    Reverse-phase HPLC with UV detection, reported as a percentage with its measurement uncertainty, not a rounded figure.

  • Identity

    02

    Retention time checked against a certified reference standard, so the vial holds what the label says.

  • Quantity

    03

    Peptide quantity by HPLC-UV, reported in milligrams against the label claim.

  • Endotoxin

    04

    Kinetic LAL per USP <85>, reported as a number in EU/mg with its pass limit, not the word negative.

  • Chromatogram

    05

    The full HPLC trace is printed on the certificate rather than referenced.

  • Extended screens

    06

    Sterility per USP <71>, heavy metals by ICP-MS and residual solvents by GC-MS per USP <467>, published for a lot whenever they are run.

1
Certificate per lot
ISO 17025
Accredited laboratory
EU/mg
Endotoxin reported as a number
>98%
Minimum purity to release

Read a certificate before you buy

The full library is public. No account needed.

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