§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · JUL-2025● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › Optima Chemical Supply Inc., Retatrutide

◆ Batch ID · OP-R20-CH0729✓ Verified · Pass

Retatrutide × Optima Chemical Supply Inc. - Lab Test, July 2025

Tested Wednesday, July 30, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.55%

✓ Excellent

PeptideRetatrutide

BrandOptima Chemical Supply Inc.

LabJanoshik Labs

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Test results

6 data points

Purity

99.55%

Endotoxins

Not tested

Stated qty

20 mg

Tested qty

24.13 mg

Qty match

121% of labeled · +21%

Batch ID

OP-R20-CH0729

Tested by

Janoshik LabsView profile →

◆ Quantity verification

20 mg→24.13 mg+21%

About this test

This independent HPLC lab test confirms Retatrutide 24.13mg from Optima Chemical Supply at 99.551% purity. The analysis was conducted by Janoshik Labs on July 30, 2025.

Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.551% indicates minimal contamination and high-grade synthesis.

The full certificate of analysis is available for download on this page.