TitrateLab · Certificate of Analysis
Tested vendor:Barn

TB-500 (TB4) — BarnCertificate of Analysis · Independent third-party lab result

Purity Blend Blend tests measure quantity per component, not overall purity — a purity assay for a multi-peptide sample needs separate chromatographic runs.
Dose vs label — No quantity measurement on this report.
Evidence Artifact captured Trust: low Blend
AI summary Source unclear

This COA's source attribution is incomplete, as it is derived from a parent test. While the test date is recent (under 3 months) and a verification URL is available, specific purity, quantity, and endotoxin results are unknown. Customers should treat this as one data point and not as confirmation.

Watch out for
  • unknown purity
  • unknown quantity
  • no endotoxin test
Test date
2026-04-21
Testing lab
Janoshik
Batch / lot
—
Quantity
—
Endotoxins
—
Assay method
—
Context

How this result compares

We have catalogued 10 TB-500 (TB4) certificates; across the 5 with a purity result the median tested purity is 99.24%.

Tested 2026-04-21 by Janoshik. This test is newer than 85% of our catalogued TB-500 (TB4) certificates.

Barn has 54 certificates in our corpus, including 1 for TB-500 (TB4).

Manufacturer
Barn
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

janoshik_blend_derived

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

Verify on the upstream lab
Catalogued
2026-04-24
Artifact hash
48f686c5dee6eb0e…
Related

Other TB-500 (TB4) certificates

GigaCompounds TB-500 (TB4)
99.2% 2026-05-25
Janoshik Uther Peptide TB-500 (TB4)
99.0% 2026-02-15
Testides SPB TB-500 (TB4)
99.7% 2026-01-28
Janoshik Aavant TB-500 (TB4)
99.6% 2025-12-23
Janoshik [EMAIL_REDACTED] TB-500 (TB4)
99.2% 2025-05-07
Janoshik
This certificate is part of TitrateLab's community-trust corpus. See more from Barn or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →