All Mk 677 Certificate of Analysis results— 13 COAs
TitrateLab · Certificate of Analysis

MK-677 93.4% PurityCertificate of Analysis · Independent third-party lab result

Tested purity 93.4% Acceptable purity · 93.37%
Dose vs label 200mg Label 200mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this MK-677 at 93.37% purity via HPLC. The test is older (6-12 months), and there is no information on quantity deviation or endotoxin status. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • no quantity tested
Test date
2025-05-27
Testing lab
Janoshik
Batch / lot
Quantity
200mg
label 200mg
Endotoxins
Assay method
HPLC
Label dose
200mg
Context

How this result compares

This MK-677 certificate's tested purity of 93.37% ranks higher than 5% of the 10 MK-677 certificates with a purity result we have catalogued (median 99.12%).

Tested 2025-05-27 by Janoshik via HPLC. This test is newer than 57% of our catalogued MK-677 certificates.

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
Dose
200mg
Catalogued
2026-04-22
Artifact hash
6cc7f4bdda489d46…
OCR text Raw extracted text

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

{"peptide": "MK-677", "dose": "200mg", "purity_pct": 93.37, "purity_label": "93.37%", "method": "HPLC", "test_date": "2025-05-27", "client": "MAXSOURCE CHEM CO.,LTD.", "notes": "", "label_qty": "200mg", "tested_qty": "", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.85}
Related

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