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Alpha NordiskDanish Formulation Technology

Certificate of Analysis

Accession No.COA-A26Q2HGF0034
ClientAlpha Nordisk
Report Date6/9/2026
ProductHGH FragmentLotA26Q2HGF0034
ChemicalhGH Fragment 176-191Mfg Date2026-Q2
FormLyophilized PowderExp DateEXP 05/28
Dose10mgPurity99.5%
FormulaC₇₈H₁₂₅N₂₃O₂₃S₂Net Content9.9 mg
Mol. Weight1,817.1 DaAppearanceWhite lyophilized powder
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 inspectionWhite lyophilized powderConforms✓ PASS
IdentityESI-MS (≤5 ppm)Confirmed [M+H]⁺ = 1818.1Confirmed✓ PASS
PurityHPLC-UV (C18, 220 nm)≥99.0%99.5%✓ PASS
Related substancesHPLC-UV≤1.0% total<0.5%✓ 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)HGH Fragment | 99.5%tR = 11.9 minλ = 220 nm | C18 | TFA/ACN gradient

ESI Mass Spectrum

5168311146146117772092020406080100Relative Intensity (%)m/z1818.1[M+H]⁺909.6[M+2H]²⁺606.7[M+3H]³⁺1841.1[M+Na]⁺ESI-MS | positive mode | ≤5 ppm
Alpha Nordiskalphanordisk.com/verifyalphanordisk.com/methodology — Analytical methodology standardVerify this certificate at alphanordisk.com/verify/A26Q2HGF0034
A26Q2HGF0034Danish 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.