Tirzepatide 99.6% Purity — Qihang PeptideCertificate of Analysis · Independent third-party lab result
Janoshik tested this tirzepatide from Qihang Peptide at 99.644% purity via HPLC + MS. The tested quantity of 22.81mg showed a significant 14.05% overfill compared to the 20mg label. Endotoxin status is unknown, but the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity overfill (14%+)
- Test date
- 2026-04-13
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 22.81 mg
- Endotoxins
- —
- Assay method
- HPLC + MS
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.64% ranks higher than 21% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-04-13 by Janoshik via HPLC + MS. This test is newer than 76% of our catalogued Tirzepatide certificates.
Qihang Peptide has 34 certificates in our corpus, including 6 for Tirzepatide at a median tested purity of 99.84%.
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
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{
"peptide": "Tirzepatide",
"dose": "20mg",
"purity_pct": 99.644,
"purity_label": "99.644%",
"method": "HPLC + MS",
"test_date": "2026-04-13",
"client": "Qihang Peptide",
"notes": "",
"label_qty": "20mg",
"tested_qty": "22.81 mg",
"quantity_deviation_pct": 14.05,
"is_blend": false,
"components_json": "",
"ocr_confidence": 1.0
}