Tirzepatide 99.8% Purity — cocerpeptides.comCertificate of Analysis · Independent third-party lab result
Janoshik tested this tirzepatide for Cocer Peptides, showing 99.825% purity via HPLC. The tested quantity of 33.17mg was 10.6% over the 30mg label. The test is recent (3-6 months old), and customers can cross-check on Janoshik's public verification URL. However, endotoxin status is unknown, and no batch ID was reported.
- no endotoxin test
- quantity deviation (10%+)
- no batch ID
- Test date
- 2026-01-16
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 33.17 mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.83% ranks higher than 50% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-16 by Janoshik via HPLC. This test is newer than 55% of our catalogued Tirzepatide certificates.
cocerpeptides.com has 45 certificates in our corpus, including 4 for Tirzepatide at a median tested purity of 99.74%.
Test report image
Janoshik (public)
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labOCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
{
"peptide": "Tirzepatide",
"dose": "30mg",
"purity_pct": 99.825,
"purity_label": "99.825%",
"method": "HPLC",
"test_date": "2026-01-16",
"client": "Cocer Peptides",
"notes": "",
"label_qty": "30mg",
"tested_qty": "33.17 mg",
"quantity_deviation_pct": 10.566666666666666,
"is_blend": false,
"components_json": "",
"ocr_confidence": 1.0
}