All Semaglutide Certificate of Analysis results— 859 COAs
TitrateLab · Certificate of Analysis

Semaglutide 99.6% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.603%
Dose vs label +2.7% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this semaglutide at 99.603% purity via HPLC. Quantity was slightly over-labeled by 2.67% (15.40mg tested vs 15mg label). The test is recent (under 3 months), and customers can cross-check on the lab's public verification URL. However, endotoxin status is not reported.

Watch out for
  • no endotoxin test
  • batch ID unknown
Test date
2026-02-26
Testing lab
Janoshik
Batch / lot
Quantity
15.40mg
label 15mg · tested 15.40mg
Endotoxins
Assay method
HPLC
Label dose
15mg
Context

How this result compares

This Semaglutide certificate's tested purity of 99.60% ranks higher than 33% of the 859 Semaglutide certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-02-26 by Janoshik via HPLC. This test is newer than 95% of our catalogued Semaglutide certificates.

Qingdao Sigma Chemical has 510 certificates in our corpus, including 23 for Semaglutide at a median tested purity of 99.60%.

Manufacturer
Qingdao Sigma Chemical
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

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Method
HPLC
Dose
15mg
Catalogued
2026-04-24
Artifact hash
df363872d4909d75…
OCR text Raw extracted text

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

{"peptide": "Semaglutide", "dose": "15mg", "purity_pct": 99.603, "purity_label": "99.603%", "method": "HPLC", "test_date": "2026-02-26", "client": "Telegram @tracyfromqsc", "notes": "", "label_qty": "15mg", "tested_qty": "15.40mg", "quantity_deviation_pct": 2.67, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

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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 →