Melanotan II 99.0% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabB. The Melanotan II batch (052462A) showed 99.01% purity via HPLC. However, the tested quantity was significantly lower than labeled (1.58mg vs 3mg, -47.3% deviation), and endotoxin status is unknown. The test is stale (over 1 year old).
- stale (1+ years old)
- significant quantity deviation
- no endotoxin test
- Test date
- 2025-02-19
- Testing lab
- LabB
- Batch / lot
- 052462A
- Quantity
- 1.58mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.7
- Label dose
- 3mg
How this result compares
This Melanotan II certificate's tested purity of 99.01% ranks higher than 6% of the 755 Melanotan II certificates with a purity result we have catalogued (median 99.76%).
Tested 2025-02-19 by LabB via HPLC + mass quantification + endotoxins. This test is newer than 6% of our catalogued Melanotan II certificates.
Peptide Sciences has 273 certificates in our corpus, including 12 for Melanotan II at a median tested purity of 99.51%.
Test report image
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