For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

PT-141

by Modern Research Peptides· batch MKUSAP411226

99.96 %

measured purity· January 6, 2026

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How this batch compares

This batch measured 99.96%, right at Modern Research Peptides's average of 99.92% for this peptide over 3 batches, and 0.22 pts above the all-vendor average of 99.73% across 116 COAs from 40 vendors.

98.8% 100.0%
This batch 99.96% Vendor avg (3 batches) 99.92% Peptide avg (116 COAs) 99.73%
Compare pricing

See PT-141 pricing across 40 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.