All TB-500 Certificate of Analysis results— 1256 COAs
TitrateLab · Certificate of Analysis

TB-500 99.9% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.897%
Dose vs label +12.6% Over the labeled dose
Evidence URL referenced Trust: medium
AI summary Third-party lab

Janoshik tested this TB-500 from utherpeptide.com at 99.897% purity via HPLC + MS. The tested quantity was 11.26mg, representing a 12.6% overage compared to the 10mg label. Endotoxin status is not reported. The test is recent (under 3 months old), and customers can cross-check on Janoshik's public verification URL.

Watch out for
  • no endotoxin test
  • unknown batch ID
Test date
2026-03-27
Testing lab
Janoshik
Batch / lot
Quantity
11.26mg
label 10mg · tested 11.26mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This TB-500 certificate's tested purity of 99.90% ranks higher than 95% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).

Tested 2026-03-27 by Janoshik via HPLC + MS. This test is newer than 68% of our catalogued TB-500 certificates.

Uther Peptide has 524 certificates in our corpus, including 20 for TB-500 at a median tested purity of 99.55%.

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": "TB-500",
  "dose": "10mg",
  "purity_pct": 99.897,
  "purity_label": "99.897%",
  "method": "HPLC + MS",
  "test_date": "2026-03-27",
  "client": "utherpeptide.com",
  "notes": "",
  "label_qty": "10mg",
  "tested_qty": "11.26mg",
  "quantity_deviation_pct": 12.6,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other TB-500 certificates

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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 →