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

27 of 27 COAs

COA library

Testing details on file

  • COA

    Retatrutide

    LY3437943

    COA-VRL-RET-2604

    Released 2026-04-08

    Status · Sealed

    Release code
    VRL-RET-2604
    Catalog reference
    VRL-RET-2604
    Category
    Weight & metabolism
    CAS number
    Pending
    Molecular formula
    C₂₂₁H₃₄₆N₆₀O₆₂
    Molecular weight
    4731.42 g/mol
    Sequence
    39-residue triple-agonist analogue
    Residues
    39
    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

    0.13% area

    RP-HPLC

    Net peptide / content

    Pass

    Conforms to label claim

    Gravimetric

    HPLC trace · VRL-RET-2604Retention 7.15 min · 214 nm · C18
    t / min →signed 2026-04-08

    Reviewed & released by

    Velour Research

    Orange County · 2026-04-08

    COA-VRL-RET-2604

    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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27 COAs indexedVelour Research · Orange County