HomeLab Tests verified peptides, PT-141
Purity · passShop-provided sample

PT-141 × verified peptides — lab test, February 2026

Lotlook this batch up across every shop →Check another lot
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
99.919%
Excellent purity only
↓ Download COA
Independent verification available

Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

This certificate carries no lookup code.

Test results

6 data points
Purity
99.919%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
11 mg
Tested qty
11.02 mg
Qty match
100% of labeled · +0%
Batch / Lot
PT03261310J
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

What’s in the vial

Label 11 mg · Lab measured 11.02 mg

100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.8 mg on both the label figure and the measured one.

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.

Independent HPLC purity analysis of PT-141 from verified peptides, performed by Janoshik Labs on February 25, 2026. Reported purity: 99.919%. Net content: 11.02 mg against 11 mg labeled (100% of label). Batch PT03261310J. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Feb 25, 2026 · Batch PT03261310J

Other lots of PT-141 from verified peptides

LotTestedLabPurityvs labelStatus
PT01261210I15 Jan 2026Janoshik Labs99.79%97%Unverified
04-25-0910F8 May 2025Janoshik Labs99.614%117%Unverified
07-24-0710G6 Sept 2024Janoshik Labs99.925%119%Unverified
05-24-0510E30 May 2024Janoshik Labs99.97%112%Unverified
10423C17 Nov 2023Janoshik Labs99.927%101%Unverified
07564B13 Nov 2022Janoshik Labs99.894%111%Unverified
16834A1 Mar 2021Janoshik Labs99.748%93%Unverified

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 99.92%.

More from verified peptides
More PT-141 tests
♡ Likes · 0

Community discussion

0 comments

Join the discussion — sign in to leave a comment on this lab test.

Sign in to comment →

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.