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Purity · passBatch · R251115-TZP60-J001Shop-provided sample

Tirzepatide × mspeptides.com — Lab Test, November 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
99.912%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA #90488 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeWULWH1D9EA2A

Test results

6 data points
Purity
99.912%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
60 mg
Tested qty
64.21 mg
Qty match
107% of labeled · +7%
0label125%
Batch / Lot
R251115-TZP60-J001
COA number
#90488
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 Tirzepatide from mspeptides.com, performed by Janoshik Labs on November 27, 2025. Reported purity: 99.912%. Net content: 64.21 mg against 60 mg labeled (107% of label). Batch R251115-TZP60-J001. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Certificate of analysis for Tirzepatide from mspeptides.com, issued by Janoshik Labs
Issued by Janoshik Labs · Nov 27, 2025 · Batch R251115-TZP60-J001

Related lab tests

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The 833 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.91%.

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