All Selank Certificate of Analysis results(745 COAs)
TitrateLab · Certificate of Analysis

Selank 99.9% Purity — Qihang PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.871%
Dose vs label +10.0% Over the labeled dose
Evidence URL referenced
Test date
Testing lab
Janoshik
Batch / lot
Quantity
5.50 mg
label 5mg · tested 5.50 mg
Endotoxins
Assay method
Label dose
5mg
Context

How this result compares

This Selank certificate's tested purity of 99.87% ranks higher than 82% of the 745 Selank certificates with a purity result we have catalogued (median 99.75%).

Testing method by Janoshik.

Qihang Peptide has 34 certificates in our corpus, including 1 for Selank at a median tested purity of 99.87%.

Manufacturer
Qihang 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
Dose
5mg
Catalogued
2026-06-19
OCR text Raw extracted text

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

{
  "peptide": "Selank",
  "dose": "5mg",
  "purity_pct": 99.871,
  "purity_label": "99.871%",
  "method": "",
  "test_date": "",
  "client": "Qihang Peptide",
  "notes": "",
  "label_qty": "5mg",
  "tested_qty": "5.50 mg",
  "quantity_deviation_pct": 10.0,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other Selank certificates

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