All HGH Certificate of Analysis results— 251 COAs
TitrateLab · Certificate of Analysis

HGH 96.5% Purity — SampeiCertificate of Analysis · Independent third-party lab result

Tested purity 96.5% Acceptable purity · 96.532%; 96.537%.
Dose vs label 13.81mg · tested 13.81mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this HGH sample at 96.545% purity via HPLC. The report indicates two vials were tested with consistent purity results. Quantity was measured at 13.81mg, but the labeled quantity is unknown. The test is stale (over 1 year old), and endotoxin status is not reported. Customers can cross-check on the lab's public verification URL.

Watch out for
  • stale (1+ years old)
  • no endotoxin test
  • unknown batch ID
Test date
2024-10-04
Testing lab
Janoshik
Batch / lot
Quantity
13.81mg
Endotoxins
Assay method
HPLC
Context

How this result compares

This HGH certificate's tested purity of 96.55% ranks higher than 39% of the 251 HGH certificates with a purity result we have catalogued (median 96.77%).

Tested 2024-10-04 by Janoshik via HPLC. This test is newer than 29% of our catalogued HGH certificates.

Sampei has 9 certificates in our corpus, including 1 for HGH at a median tested purity of 96.55%.

Manufacturer
Sampei
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

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.

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Method
HPLC
Catalogued
2026-04-22
Artifact hash
5b98975d4cee05ae…
OCR text Raw extracted text

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

{"peptide": "rHGH", "dose": "", "purity_pct": 96.545, "purity_label": "96.532%; 96.537%.", "method": "HPLC", "test_date": "2024-10-04", "client": "Sampei", "notes": "Assessment of rHGH vial or vials. Two vials tested with consistent purity results (96.532% and 96.537%). Dimer and related proteins detected at 0.063% and 0.036%.", "label_qty": "", "tested_qty": "13.81mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}
Related

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