All PT-141 Certificate of Analysis results— 625 COAs
TitrateLab · Certificate of Analysis

PT-141 99.7% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.698%
Dose vs label +36.2% Over the labeled dose
Evidence URL referenced Trust: medium
AI summary Third-party lab

Janoshik tested this PT-141 from utherpeptide.com at 99.698% purity via HPLC + MS. The tested quantity of 13.62mg showed a significant 36.2% deviation from the 10mg label. The test is recent (under 3 months), and customers can cross-check on the lab's public verification URL, but endotoxin status is unknown.

Watch out for
  • quantity deviation (36.2%)
  • no endotoxin test
  • batch ID unknown
Test date
2026-03-27
Testing lab
Janoshik
Batch / lot
Quantity
13.62mg
label 10mg · tested 13.62mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This PT-141 certificate's tested purity of 99.70% ranks higher than 16% of the 624 PT-141 certificates with a purity result we have catalogued (median 99.89%).

Tested 2026-03-27 by Janoshik via HPLC + MS. This test is newer than 67% of our catalogued PT-141 certificates.

Uther Peptide has 524 certificates in our corpus, including 10 for PT-141 at a median tested purity of 99.79%.

Manufacturer
Uther Peptide
View vendor profile
Source

Janoshik (public)

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Verify on the upstream lab
Method
HPLC + MS
Dose
10mg
Catalogued
2026-04-16
OCR text Raw extracted text

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

{
  "peptide": "PT-141",
  "dose": "10mg",
  "purity_pct": 99.698,
  "purity_label": "99.698%",
  "method": "",
  "test_date": "2026-03-27",
  "client": "utherpeptide.com",
  "notes": "",
  "label_qty": "10mg",
  "tested_qty": "13.62mg",
  "quantity_deviation_pct": 36.2,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

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