PT-141 10mg from Simple Peptide was independently analyzed on December 11, 2025, confirming 99.91% purity by HPLC with LC-MS detection. The net peptide content tested at 12.59mg, demonstrating quality consistency well above stated quantity. The sample appears as white lyophilized powder with magenta caps visible in the vial images.
PT-141 is a melanocortin receptor agonist peptide researched for its potential in sexual arousal and erectile function. A purity level of 99.91% indicates exceptional-grade synthesis with minimal contamination. Mass spectrometry identification confirms PT-141 molecular structure with [M+2H]2+ at m/z 512.83 and [M+H]+ at m/z 1025.18.
The full certificate of analysis (COA #2512100010) is available through Freedom Diagnostics Testing.

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