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

Home › Lab Tests › Certified Peptides, PT-141

◆ Batch ID · 2509PT-10✓ Verified · Pass

PT-141 × Certified Peptides - Lab Test, December 2025

Tested Thursday, December 18, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.22%

✓ Excellent

PeptidePT-141

BrandCertified Peptides

LabVanguard Laboratory

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Test results

8 data points

Purity

99.22%

Endotoxins

<0.05 EU/mg

Stated qty

10 mg

Tested qty

12.04 mg

Qty match

120% of labeled · +20%

Batch ID

2509PT-10

Container

Small vial with pink/magenta cap / Printed label

Tested by

Vanguard LaboratoryView profile →

◆ Quantity verification

10 mg→12.04 mg+20%

About this test

This independent HPLC-UV/VIS lab test confirms PT-141 10mg from Certified Peptides at 99.22% purity with an actual assay of 12.04 mg. The analysis was performed by Vanguard Laboratory and reported on December 19, 2025, under Batch Number 2509PT-10.

PT-141 (Bremelanotide) is a synthetic melanocortin receptor agonist researched for its role in sexual dysfunction treatment, melanocortin pathway activation, and libido enhancement. Additional testing confirmed endotoxin levels below 0.05 EU/mg (LAL method), sterility with no growth detected (USP <71>), and non-detectable levels of heavy metals including chromium, arsenic, cadmium, lead, and mercury via ICP-MS.

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