Independent test result
GHK-Cu
by Skye Peptides· batch GHK25-50-002
99.65 %
measured purity(HPLC)· November 5, 2025
- HPLC purity
- 99.654
- Net peptide content
- 67.18
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How this batch compares
This batch measured 99.65%, 0.15 pts below Skye Peptides's average of 99.80% for this peptide over 5 batches, and right at the all-vendor average of 99.64% across 286 COAs from 60 vendors.
85.6% 100.0%
This batch 99.65% Vendor avg (5 batches) 99.80% Peptide avg (286 COAs) 99.64%
Compare pricing
See GHK-Cu pricing across 60 verified vendors
Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.
Where to buy
Product pages for this peptide at Skye Peptides
From the same lot
Other tests in lot GHK25-50-002
Same batch, independently tested. Cross-confirm the purity claim.