About this report
This Certificate of Analysis confirms the identity and purity of Retatrutide 20mg, lot UKP-RETA20-2512, sold by UK Peptides. Testing was performed by an accredited independent laboratory, an independent analytical laboratory used by research suppliers across the EU and UK. The method combines reversed-phase HPLC with ultraviolet detection (HPLC-UV) for purity quantification and mass spectrometry (MS) for molecular identity confirmation.
Result summary
- Compound: Retatrutide
- Vial size: 20mg
- Batch / Lot: UKP-RETA20-2512
- Purity: ≥98% (HPLC-UV)
- Identity: Confirmed by mass spectrometry
- Appearance: White lyophilised powder
- Issued by: an accredited independent laboratory
- Date: 2026-01-15
How to verify
Download the signed PDF above. The certificate carries the analyst's signature, the laboratory's instrument identifier, and the original chromatogram. To verify authenticity, contact an accredited independent laboratory directly and quote batch UKP-RETA20-2512.