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Alpha NordiskDanish Formulation Technology

Certificate of Analysis

Accession No.COA-A26Q2RTX0160
ClientAlpha Nordisk
Report Date6/9/2026
ProductRetatrutideLotA26Q2RTX0160
ChemicalGLP-1 · GIP · GCG Triple AgonistMfg Date2026-Q2
FormPre-mixed LiquidExp DateEXP 05/28
Dose90mgPurity99.7%
FormulaC₂₁₃H₃₃₄N₄₈O₆₆Net Content89.7 mg
Mol. Weight4,759.2 DaAppearanceClear colorless solution
All chemical analysis performed in accordance with European Pharmacopoeia (Ph. Eur.) reference methods — HPLC-UV (C18, 220 nm) for purity; ESI-MS (≤5 ppm) for identity confirmation
TestMethodSpecificationResultStatus
AppearanceVisual inspectionClear colorless solutionConforms✓ PASS
IdentityESI-MS (≤5 ppm)Confirmed [M+H]⁺ = 4760.2Confirmed✓ PASS
PurityHPLC-UV (C18, 220 nm)≥99.0%99.7%✓ PASS
Related substancesHPLC-UV≤1.0% total<0.3%✓ PASS
EndotoxinLAL (gel-clot)<1.0 EU/mg<0.5 EU/mg✓ PASS
Water contentKarl Fischer<8.0%<5.2%✓ PASS
CounterionIon chromatographyAcetate (TFA-free)Acetate✓ PASS
SterilityUSP <71> visualNo visible contaminationConforms✓ PASS

HPLC-UV Chromatogram (220 nm)

024681012140100200300400500600mAUTime (min)Retatrutide | 99.7%tR = 12.7 minλ = 220 nm | C18 | TFA/ACN gradient

ESI Mass Spectrum

400680960124015201800020406080100Relative Intensity (%)m/z1587.4[M+3H]³⁺ESI-MS | positive mode | ≤5 ppm
Alpha Nordiskalphanordisk.com/verifyalphanordisk.com/methodology — Analytical methodology standardVerify this certificate at alphanordisk.com/verify/A26Q2RTX0160
A26Q2RTX0160Danish Formulation Technology

This Certificate of Analysis is issued by Alpha Nordisk for research and laboratory use documentation. The peptide described is intended exclusively for research and laboratory use. Not for human consumption, clinical, diagnostic, or therapeutic application. Lot traceability and analytical data are maintained by Alpha Nordisk under Danish Formulation Technology standards.