Sable · Question
What is the difference between GHK-Cu and LL-37?
GHK-Cu is a copper(II) complex of the tripeptide GHK, first identified in human plasma, and widely studied in skin-biology, cosmetic-science and wound-model research (peptide-copper complex, MW about 402.92 g/mol).
Research use only. Not for human consumption. No health claims.
Last verified 2026-10-10
What is the difference between GHK-Cu and LL-37?
GHK-Cu is a copper(II) complex of the tripeptide GHK, first identified in human plasma, and widely studied in skin-biology, cosmetic-science and wound-model research (peptide-copper complex, MW about 402.92 g/mol).
Which is heavier, GHK-Cu or LL-37?
GHK-Cu has a molecular weight of about 402.92 g/mol and LL-37 about 4493 g/mol (PubChem), so LL-37 is heavier by 4,090.1 g/mol, a ratio of 11.15. This means 1 mg of GHK-Cu contains 2,481.9 nmol versus 222.6 nmol for LL-37.
How many mg of LL-37 are equimolar to 1 mg of GHK-Cu?
1 mg of GHK-Cu (MW 402.92) is 2,481.9 nmol. The same number of moles of LL-37 (MW 4493) weighs 11.151 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.
Compare the molecular formulas of GHK-Cu and LL-37
PubChem lists GHK-Cu as C14H23CuN6O4+ (402.92 g/mol) and LL-37 as C205H340N60O53 (4493 g/mol). GHK-Cu is a peptide-copper complex; LL-37 is a peptide. These formulas refer to the parent compounds without salt counter-ions.
A 5 mg vial of GHK-Cu equals how many mg of LL-37 in moles?
5 mg of GHK-Cu (MW 402.92) is 12.409 µmol. The same amount of LL-37 (MW 4493) would weigh 55.755 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 50 mg vial of GHK-Cu equals how many mg of LL-37 in moles?
50 mg of GHK-Cu (MW 402.92) is 124.1 µmol. The same amount of LL-37 (MW 4493) would weigh 557.6 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of GHK-Cu equals how many mg of LL-37 in moles?
10 mg of GHK-Cu (MW 402.92) is 24.819 µmol. The same amount of LL-37 (MW 4493) would weigh 111.5 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 20 mg vial of GHK-Cu equals how many mg of LL-37 in moles?
20 mg of GHK-Cu (MW 402.92) is 49.638 µmol. The same amount of LL-37 (MW 4493) would weigh 223 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 30 mg vial of GHK-Cu equals how many mg of LL-37 in moles?
30 mg of GHK-Cu (MW 402.92) is 74.456 µmol. The same amount of LL-37 (MW 4493) would weigh 334.5 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 100 mg vial of GHK-Cu equals how many mg of LL-37 in moles?
100 mg of GHK-Cu (MW 402.92) is 248.2 µmol. The same amount of LL-37 (MW 4493) would weigh 1,115.1 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of LL-37 equals how many mg of GHK-Cu in moles?
10 mg of LL-37 (MW 4493) is 2.226 µmol. The same amount of GHK-Cu (MW 402.92) would weigh 0.8968 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of LL-37 equals how many mg of GHK-Cu in moles?
5 mg of LL-37 (MW 4493) is 1.113 µmol. The same amount of GHK-Cu (MW 402.92) would weigh 0.4484 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A CoA for every lot; each vial carries a printed lot number that matches it. Ask with the lot number and we send it.
Cite this
Research use only. Not for consumption. No health claims.
Plain
Sable Peptides. (2026). What is the difference between GHK-Cu and LL-37?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/ghk-cu-vs-ll-37/#sqa-038882
APA
Sable Peptides. (2026, October 11). *What is the difference between GHK-Cu and LL-37?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/ghk-cu-vs-ll-37/#sqa-038882
BibTeX
@misc{sable_#sqa-038882_2026,
author = {{Sable Peptides}},
title = {{What is the difference between GHK-Cu and LL-37?}},
year = {2026},
howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/ghk-cu-vs-ll-37/#sqa-038882}},
note = {Accessed 11 October 2026. CC BY 4.0}
}Badge
<a href="https://www.sablepeptides.co.uk/ref"><img src="https://www.sablepeptides.co.uk/badge/ref.svg" alt="Data: UK Research Peptide Reference — Sable Peptides" width="220" height="40"></a>
Date modified: 2026-10-10