Independent test result
SS-31
by Peptide Partners· batch SY20250806
99.70 %
measured purity(HPLC)· September 19, 2025
- HPLC purity
- 99.7
New to reading a COA? See how to read a peptide COA →
How this batch compares
This batch measured 99.70%, right at Peptide Partners's average of 99.72% for this peptide over 8 batches, and right at the all-vendor average of 99.70% across 134 COAs from 32 vendors.
98.5% 100.0%
This batch 99.70% Vendor avg (8 batches) 99.72% Peptide avg (134 COAs) 99.70%
Compare pricing
See SS-31 pricing across 32 verified vendors
Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor.
Where to buy
Product pages for this peptide at Peptide Partners
From the same lot
Other tests in lot SY20250806
Same batch, independently tested. Cross-confirm the purity claim.