Velour Research

COAs & lab results

COAs and
lab results.

Every product page links to the current COA when available. Search by compound or batch number any time.

COAs
31 released
Purity spec
≥99% RP-HPLC
Identity
ESI-MS confirmed

31 of 31 COAs

COA library

Testing details on file

  • COA

    Glutathione

    GSH · Tripeptide reference

    COA-VRL-GLU-2601

    Released 2026-05-18

    Status · Sealed

    Release code
    VRL-GLU-2601
    Catalog reference
    VRL-GLU-2601
    Category
    Longevity research
    CAS number
    Pending
    Molecular formula
    C10H17N3O6S
    Molecular weight
    307.32 g/mol
    Sequence
    gamma-Glu-Cys-Gly
    Residues
    3
    Appearance
    White lyophilized powder
    Storage
    Store lyophilized at -20 C

    Analytical results

    Appearance

    Pass

    White lyophilized powder

    Visual

    Identity

    Pass

    Each component mass confirmed

    ESI-MS

    Purity

    Pass

    >=99% HPLC

    RP-HPLC · 214 nm

    Largest individual impurity

    Pass

    0.31% area

    RP-HPLC

    Net peptide / content

    Pass

    Conforms to label claim

    Gravimetric

    HPLC trace · VRL-GLU-2601Retention 6.73 min · 214 nm · C18
    t / min →signed 2026-05-18

    Reviewed & released by

    Velour Research

    Orange County · 2026-05-18

    COA-VRL-GLU-2601

    For laboratory research use only. This COA documents analytical testing of the referenced material. Products are sold for laboratory research use only and are not for human or animal consumption.

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31 COAs indexedVelour Research · Orange County