HomeLab Tests peptide crafters, PT-141
Purity · passShop-provided sample

PT-141 × peptide crafters — lab test, May 2024

Lotlook this batch up across every shop →Check another lot
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
⚠ This test is older than 2 years - results may not reflect current product quality.
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
99.901%
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
99.901%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
12.46 mg
Qty match
125% of labeled · +25%
Batch / Lot
PC-Z-PT141
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 10 mg · Lab measured 12.46 mg

125% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.1 mg using the measured mass, against 2.5 mg on the label — 25% 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.

Independent HPLC purity analysis of PT-141 from peptide crafters, performed by Janoshik Labs on May 22, 2024. Reported purity: 99.901%. Net content: 12.46 mg against 10 mg labeled (125% of label). Tested content exceeds the labeled amount by 25%. Batch PC-Z-PT141. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · May 22, 2024 · Batch PC-Z-PT141

Other lots of PT-141 from peptide crafters

LotTestedLabPurityvs labelStatus
PC-G1-PT14124 Mar 2026Vanguard Laboratory99.15%100%Unverified
PC-G-PT14119 Sept 2025Janoshik Labs99.796%124%Unverified
PC-J-PT14121 Mar 2025Janoshik Labs99.899%113%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 99.90%.

More from peptide crafters
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.