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

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◆ Batch ID · 251117SL103✓ Verified · Pass

SELANK × Certified Peptides - Lab Test, December 2025

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

HPLC Purity

99.16%

✓ Excellent

PeptideSELANK

BrandCertified Peptides

LabVanguard Laboratory

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Test results

8 data points

Purity

99.16%

Endotoxins

- 0.45 EU/mg

Stated qty

9.99 mg

Tested qty

9.92 mg

Qty match

99% of labeled · -1%

Batch ID

251117SL103

Container

Small vial with printed label reading "SELANK" / "10 MG" / Certified Peptides branding / Green checkmark / Flip-off cap

Tested by

Vanguard LaboratoryView profile →

◆ Quantity verification

9.99 mg→9.92 mg-1%

About this test

This independent HPLC-UV/VIS lab test confirms Selank 10mg from Certified Peptides at 99.16% purity with an actual assay of 9.92 mg. The analysis was performed by Vanguard Laboratory and reported on December 19, 2025, under Batch Number 251117SL103.

Selank is a synthetic heptapeptide analog of tuftsin researched for its role in anxiolytic activity, cognitive enhancement, immune modulation, and neuroprotection. Additional testing confirmed endotoxin levels at 0.45 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.