All Thymosin Alpha-1 Certificate of Analysis results— 452 COAs
TitrateLab · Certificate of Analysis

Thymosin Alpha-1 99.0% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.0% High purity · 99.049%
Dose vs label +8.0% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this Thymosin Alpha-1 at 99.049% purity via HPLC. The quantity tested was 5.40mg against a 5mg label, an 8% deviation. Endotoxin status is unknown, but the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (8%)
  • batch ID missing
Test date
2026-03-25
Testing lab
Janoshik
Batch / lot
Quantity
5.40mg
label 5mg · tested 5.40mg
Endotoxins
Assay method
HPLC
Label dose
5mg
Context

How this result compares

This Thymosin Alpha-1 certificate's tested purity of 99.05% ranks higher than 3% of the 452 Thymosin Alpha-1 certificates with a purity result we have catalogued (median 99.65%).

Tested 2026-03-25 by Janoshik via HPLC. This test is newer than 63% of our catalogued Thymosin Alpha-1 certificates.

Qingdao Sigma Chemical has 510 certificates in our corpus, including 3 for Thymosin Alpha-1 at a median tested purity of 99.47%.

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
5mg
Catalogued
2026-04-24
Artifact hash
247da682688a797f…
OCR text Raw extracted text

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

{"peptide": "Thymosin Alpha-1", "dose": "5mg", "purity_pct": 99.049, "purity_label": "99.049%", "method": "HPLC", "test_date": "2026-03-25", "client": "Telegram @tracyfromqsc", "notes": "The unretained peak, eluting at the column's void volume, was not included in the purity assessment.", "label_qty": "5mg", "tested_qty": "5.40mg", "quantity_deviation_pct": 8.0, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

Other Thymosin Alpha-1 certificates

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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 →