All PT-141 Certificate of Analysis results(661 COAs)
TitrateLab · Certificate of Analysis

PT-141 99.9% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.908%
Dose vs label No quantity measurement on this report.
Evidence Asserted only
Test date
2026-01-19
Testing lab
Janoshik
Batch / lot
Purple
Quantity
Endotoxins
Assay method
Label dose
10mg
Context

How this result compares

This PT-141 certificate's tested purity of 99.91% ranks higher than 62% of the 660 PT-141 certificates with a purity result we have catalogued (median 99.89%).

Tested 2026-01-19 by Janoshik. This test is newer than 48% of our catalogued PT-141 certificates.

Qingdao Sigma Chemical has 515 certificates in our corpus, including 5 for PT-141 at a median tested purity of 99.81%.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
Source

Forum / Discord scrape

Asserted only
No verifiable evidence captured. This entry was added to our corpus from Forum / Discord scrape. We did not save the certificate image, did not hash an artifact, and the upstream URL (https://t.me/qsctgchannel/443) is either a domain root or absent — we cannot independently confirm this report existed. Treat as curator-asserted only.
Verify on the upstream lab
Dose
10mg
Catalogued
2026-05-21
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com Task Number #99774 Testing ordered > 14 JAN '26 Sample received > 15 JAN '26 Client Telegram @tracyfromqsc Sample PT141 10mg Manufacturer QSC Batch Purple Sample description > See picture or pictures attached. Tests requested > Assessment of a peptide vial or vials. Results > PT-141 11.67 mg Purity 99.908% Comments > Analysis conducted > 19 JAN 2026 Signature > Verify this test at www.janoshik.com/verify/ with the following unique key CZRLAY7VFHQ2
Related

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This certificate is part of TitrateLab's community-trust corpus. See more from Qingdao Sigma Chemical or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →