The proof commodity sellers can't show you.

Anyone can claim "99% pure." Peptology proves it — every batch is independently tested through a network of partner laboratories across the US, Europe and the Philippines, with a Certificate of Analysis you can cross-check with the issuing lab.

Certificate of Analysis — representativeVerified

Purity (HPLC-UV / PDA)>99%

Mass & Identity (LC-MS)Confirmed

Heavy Metals (ICP-MS)Not detected

Endotoxin (LAL · USP <85>)Pass

Sterility (USP <71>)Pass

Each lot ships with its own COA — cross-checkable with the issuing laboratory.

Our lab network

🇺🇸 Multiple US partner labs

🇪🇺 Multiple EU partner labs — GLP · Ph. Eur.

🇵🇭 Local PH testing — live now, full panel soon

Methods aligned to ISO 17025, GLP, USP and European Pharmacopoeia. Peptology never relies on in-house testing — independent verification is the standard on every batch.

What every batch can be tested for

Analytical Chemistry

Purity — HPLC-UV/PDA
Identity — LC-MS
Cross-contamination — LC-MS
Fentanyl screen — LC-MS/MS
Heavy metals — ICP-MS
Residual solvents — GC-MS
Moisture — Karl Fischer

Micro & Parenteral

Endotoxin — LAL · USP <85>
Sterility — USP <71>
Bioburden — USP <61>
Preservative challenge — USP <51>

Physical / Topical / SPF

pH — USP <791>
Viscosity & rheology
Specific gravity / density
UV filter assay — HPLC/UV-Vis
In-vitro SPF — UV-Vis

Send a sample or request a COA — +63 949 702 6016 · bernard@peptology.ph

Request Testing →

Representative figures shown for illustration; actual results are per-lot. Verification provided through independent third-party laboratories (US, EU) and local testing by Peptology Labs Corp, Cavite, Philippines. Products supplied for research and educational use under RA 9711. © 2026 Peptology Labs Corp.