Tirzepatide 99.9% Purity — Penguin PeptidesCertificate of Analysis · Independent third-party lab result
Janoshik tested this Tirzepatide from Penguin Peptides at 99.859% purity via HPLC + MS. The tested quantity was 11.67% over the 60mg label. The test is recent (3-6 months old), but the COA does not include an endotoxin test. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (+11.67%)
- Test date
- 2026-01-21
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 67.00 mg
- Endotoxins
- —
- Assay method
- HPLC + MS
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.86% ranks higher than 58% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-21 by Janoshik via HPLC + MS. This test is newer than 56% of our catalogued Tirzepatide certificates.
Penguin Peptides has 58 certificates in our corpus, including 13 for Tirzepatide at a median tested purity of 99.88%.
Test report image
Janoshik (public)
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Verify on the upstream labOCR text Raw extracted text
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{
"peptide": "Tirzepatide",
"dose": "60mg",
"purity_pct": 99.859,
"purity_label": "99.859%",
"method": "HPLC",
"test_date": "2026-01-21",
"client": "Penguin Peptides",
"notes": "",
"label_qty": "60mg",
"tested_qty": "67.00 mg",
"quantity_deviation_pct": 11.67,
"is_blend": false,
"components_json": "",
"ocr_confidence": 0.95
}