Analysis summary

Retatrutide

Sample as received: Retatrutide

Reference: PS-RETA-2606
SKU: RETA-10MG
Presentation: Lyophilised powder
Analysis date: 1 June 2026

Purity

99.20% HPLC-UV + LC-MS (ESI+)

Basis: Peak Purity Index — spectral homogeneity of the main peak.

Identity

Confirmed by mass spectrometry

Expected mass: 4731.40 Da
Detected mass: 4730.40 Da
Method: HPLC-UV + LC-MS (ESI+)
Detection: UV 215 nm (±4 nm)

Peak integration

#	Component	RT / min	Area %	Tailing	Plates N	Identity
1	Retatrutide	9.845	99.20	1.78	7,881	Confirmed

Area % the peak’s share of total integrated UV area. Tailing peak symmetry. Plates N column efficiency.

Sample as received

Form: Lyophilised powder
Colour: White
Condition: As expected
Peaks resolved: 1

Notes

Single chromatographic peak. Purity reported as Peak Purity Index. Identity confirmed by mass spectrometry; MW calculated from m/z 1183.65 [M+4H]⁴⁺.

Testing

Analysed by an independent third-party analytical laboratory in the United Kingdom using established HPLC and LC-MS methods. The laboratory’s identity, the certificate it issued and its supporting records are released to verified research institutions on request.

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