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Purity · pass✓ Lab-verifiedShop-provided sample

PT-141 × mspeptides.com — Lab Test, December 2025

LotR250925-PT1-J001look this batch up across every shop →
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.547%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2512160082 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeMole2512160082

Test results

7 data points
Purity
99.547%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.83 mg
Qty match
118% of labeled · +18%
Batch / Lot
R250925-PT1-J001
COA number
2512160082
Container
White Lyophilized Powder
Tested by

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 10 mg · Lab measured 11.83 mg

118% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3 mg using the measured mass, against 2.5 mg on the label — 18% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Verification trail
Report number2512160082
Portal lookup✓ Lab-verified
Checked20 Jul 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalfreedomdiagnosticstesting.com's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of PT-141 from mspeptides.com, performed by freedomdiagnosticstesting.com on December 17, 2025. Reported purity: 99.547%. Net content: 11.83 mg against 10 mg labeled (118% of label). Tested content exceeds the labeled amount by 18%. Batch R250925-PT1-J001. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Dec 17, 2025 · Batch R250925-PT1-J001

Other lots of PT-141 from mspeptides.com

LotTestedLabPurityvs labelStatus
R260117-PT1-J00124 Jan 2026freedomdiagnosticstesting.com99.923%109%✓ Lab-verified
R250327-PT1-J00122 May 2025Janoshik Labs99.732%122%✓ Lab-verified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 260 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.55%.

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