All Melanotan II Certificate of Analysis results(784 COAs)
TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity · 99.913%
Dose vs label +28.0% Over the labeled dose
Evidence Artifact captured
Test date
2024-06-03
Testing lab
Janoshik
Batch / lot
Quantity
12.80 mg
label 10 mg · tested 12.80 mg
Endotoxins
Assay method
HPLC
Label dose
10 mg
Context

How this result compares

This Melanotan II certificate's tested purity of 99.91% ranks higher than 87% of the 783 Melanotan II certificates with a purity result we have catalogued (median 99.77%).

Tested 2024-06-03 by Janoshik via HPLC. This test is newer than 2% of our catalogued Melanotan II certificates.

Qingdao Sigma Chemical has 515 certificates in our corpus, including 4 for Melanotan II at a median tested purity of 99.66%.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

We have the certificate image — you can verify it loads from the upstream lab and matches the artifact shown here.

Verify on the upstream lab
Method
HPLC
Dose
10 mg
Catalogued
2026-06-01
OCR text Raw extracted text

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

{
  "peptide": "Melanotan 2",
  "dose": "10 mg",
  "purity_pct": 99.913,
  "purity_label": "99.913%",
  "method": "HPLC",
  "test_date": "2024-06-03",
  "client": "Qingdao Sigma Chemical Co., ltd",
  "notes": "",
  "label_qty": "10 mg",
  "tested_qty": "12.80 mg",
  "quantity_deviation_pct": 28.0,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other Melanotan II certificates

All Melanotan II results & stats
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 →