Sable · Question
What is the difference between Oxytocin and Semax?
Oxytocin is a nonapeptide neurohypophysial hormone with a disulfide bridge, used as a reference agonist in oxytocin receptor and social-neuroscience research (cyclic nonapeptide, MW about 1007.2 g/mol).
Research use only. Not for human consumption. No health claims.
Last verified 2026-10-10
What is the difference between Oxytocin and Semax?
Oxytocin is a nonapeptide neurohypophysial hormone with a disulfide bridge, used as a reference agonist in oxytocin receptor and social-neuroscience research (cyclic nonapeptide, MW about 1007.2 g/mol).
Which is heavier, Oxytocin or Semax?
Oxytocin has a molecular weight of about 1007.2 g/mol and Semax about 813.9 g/mol (PubChem), so Oxytocin is heavier by 193.3 g/mol, a ratio of 1.24. This means 1 mg of Oxytocin contains 992.9 nmol versus 1,228.7 nmol for Semax.
How many mg of Semax are equimolar to 1 mg of Oxytocin?
1 mg of Oxytocin (MW 1007.2) is 992.9 nmol. The same number of moles of Semax (MW 813.9) weighs 0.8081 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.
Compare the molecular formulas of Oxytocin and Semax
PubChem lists Oxytocin as C43H66N12O12S2 (1007.2 g/mol) and Semax as C37H51N9O10S (813.9 g/mol). Oxytocin is a cyclic nonapeptide; Semax is a peptide. These formulas refer to the parent compounds without salt counter-ions.
A 2 mg vial of Oxytocin equals how many mg of Semax in moles?
2 mg of Oxytocin (MW 1007.2) is 1.986 µmol. The same amount of Semax (MW 813.9) would weigh 1.616 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of Oxytocin equals how many mg of Semax in moles?
5 mg of Oxytocin (MW 1007.2) is 4.964 µmol. The same amount of Semax (MW 813.9) would weigh 4.04 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 Oxytocin in moles?
5 mg of Semax (MW 813.9) is 6.143 µmol. The same amount of Oxytocin (MW 1007.2) would weigh 6.187 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 Oxytocin in moles?
10 mg of Semax (MW 813.9) is 12.287 µmol. The same amount of Oxytocin (MW 1007.2) would weigh 12.375 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 Oxytocin in moles?
30 mg of Semax (MW 813.9) is 36.86 µmol. The same amount of Oxytocin (MW 1007.2) would weigh 37.125 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 Oxytocin and Semax?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/oxytocin-vs-semax/#sqa-040369
APA
Sable Peptides. (2026, October 11). *What is the difference between Oxytocin and Semax?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/oxytocin-vs-semax/#sqa-040369
BibTeX
@misc{sable_#sqa-040369_2026,
author = {{Sable Peptides}},
title = {{What is the difference between Oxytocin and Semax?}},
year = {2026},
howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/oxytocin-vs-semax/#sqa-040369}},
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