HomeLab Tests mspeptides.com, PT-141
Purity · passBatch · R250327-PT1-J001Shop-provided sample

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

Tested · submitted by @Frank 👑 Legend
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
99.732%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA #65494 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup code8JQK15M4AZ9R

Test results

6 data points
Purity
99.732%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
12.21 mg
Qty match
122% of labeled · +22%
0label125%
Batch / Lot
R250327-PT1-J001
COA number
#65494
Tested by
Janoshik LabsView profile →

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

Independent HPLC purity analysis of PT-141 from mspeptides.com, performed by Janoshik Labs on May 22, 2025. Reported purity: 99.732%. Net content: 12.21 mg against 10 mg labeled (122% of label). Tested content exceeds the labeled amount by 22%. Batch R250327-PT1-J001. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Certificate of analysis for PT-141 from mspeptides.com, issued by Janoshik Labs
Issued by Janoshik Labs · May 22, 2025 · Batch R250327-PT1-J001

Related lab tests

8 tests

The 213 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.73%.

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