Tirzepatide 99.6% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
LabC tested this tirzepatide batch (TIR7920230719-5) at 99.58% purity via HPLC. The tested quantity was 4.29mg, a significant deviation of -14.2% from the 5mg label. Endotoxin status is unknown, and the test is stale (over 1 year old). Customers can cross-check on the lab's public verification URL.
- stale (1+ years old)
- no endotoxin test
- quantity deviation (-14.2%)
- Test date
- 2025-03-28
- Testing lab
- LabC
- Batch / lot
- TIR[PHONE_REDACTED]-5
- Quantity
- 4.29mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- Label dose
- 5mg
How this result compares
This Tirzepatide certificate's tested purity of 99.58% ranks higher than 16% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-03-28 by LabC via HPLC + mass quantification + endotoxins. This test is newer than 11% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
Test report image
Finnrick
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 labSaved source document
sha256:d681941e1576284f…
— immutable copy held by TitrateLab