Sable · Question
What is the difference between Semax and Pal-GHK?
Semax is a heptapeptide analogue of the ACTH(4-7) fragment extended with Pro-Gly-Pro, studied in neuropeptide and BDNF-expression research in rodent models (peptide, MW about 813.9 g/mol).
Research use only. Not for human consumption. No health claims.
Last verified 2026-10-10
What is the difference between Semax and Pal-GHK?
Semax is a heptapeptide analogue of the ACTH(4-7) fragment extended with Pro-Gly-Pro, studied in neuropeptide and BDNF-expression research in rodent models (peptide, MW about 813.9 g/mol).
Which is heavier, Semax or Pal-GHK?
Semax has a molecular weight of about 813.9 g/mol and Pal-GHK about 578.8 g/mol (PubChem), so Semax is heavier by 235.1 g/mol, a ratio of 1.41. This means 1 mg of Semax contains 1,228.7 nmol versus 1,727.7 nmol for Pal-GHK.
How many mg of Pal-GHK are equimolar to 1 mg of Semax?
1 mg of Semax (MW 813.9) is 1,228.7 nmol. The same number of moles of Pal-GHK (MW 578.8) weighs 0.7111 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.
Compare the molecular formulas of Semax and Pal-GHK
PubChem lists Semax as C37H51N9O10S (813.9 g/mol) and Pal-GHK as C30H54N6O5 (578.8 g/mol). Semax is a peptide; Pal-GHK is a lipopeptide. These formulas refer to the parent compounds without salt counter-ions.
A 10 mg vial of Pal-GHK equals how many mg of Semax in moles?
10 mg of Pal-GHK (MW 578.8) is 17.277 µmol. The same amount of Semax (MW 813.9) would weigh 14.062 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of Semax equals how many mg of Pal-GHK in moles?
5 mg of Semax (MW 813.9) is 6.143 µmol. The same amount of Pal-GHK (MW 578.8) would weigh 3.556 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of Semax equals how many mg of Pal-GHK in moles?
10 mg of Semax (MW 813.9) is 12.287 µmol. The same amount of Pal-GHK (MW 578.8) would weigh 7.111 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 30 mg vial of Semax equals how many mg of Pal-GHK in moles?
30 mg of Semax (MW 813.9) is 36.86 µmol. The same amount of Pal-GHK (MW 578.8) would weigh 21.334 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 Semax and Pal-GHK?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/pal-ghk-vs-semax/#sqa-040855
APA
Sable Peptides. (2026, October 11). *What is the difference between Semax and Pal-GHK?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/pal-ghk-vs-semax/#sqa-040855
BibTeX
@misc{sable_#sqa-040855_2026,
author = {{Sable Peptides}},
title = {{What is the difference between Semax and Pal-GHK?}},
year = {2026},
howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/pal-ghk-vs-semax/#sqa-040855}},
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