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What is the difference between Kisspeptin-10 and SS-31?

Kisspeptin-10 is the C-terminal decapeptide of kisspeptin, used as a KISS1R (GPR54) agonist in reproductive neuroendocrinology research (peptide, MW about 1302.4 g/mol).

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Last verified 2026-10-10

What is the difference between Kisspeptin-10 and SS-31?

Kisspeptin-10 is the C-terminal decapeptide of kisspeptin, used as a KISS1R (GPR54) agonist in reproductive neuroendocrinology research (peptide, MW about 1302.4 g/mol).

Which is heavier, Kisspeptin-10 or SS-31?

Kisspeptin-10 has a molecular weight of about 1302.4 g/mol and SS-31 about 639.8 g/mol (PubChem), so Kisspeptin-10 is heavier by 662.6 g/mol, a ratio of 2.04. This means 1 mg of Kisspeptin-10 contains 767.8 nmol versus 1,563 nmol for SS-31.

How many mg of SS-31 are equimolar to 1 mg of Kisspeptin-10?

1 mg of Kisspeptin-10 (MW 1302.4) is 767.8 nmol. The same number of moles of SS-31 (MW 639.8) weighs 0.4912 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.

Compare the molecular formulas of Kisspeptin-10 and SS-31

PubChem lists Kisspeptin-10 as C63H83N17O14 (1302.4 g/mol) and SS-31 as C32H49N9O5 (639.8 g/mol). Kisspeptin-10 is a peptide; SS-31 is a peptide. These formulas refer to the parent compounds without salt counter-ions.

A 5 mg vial of Kisspeptin-10 equals how many mg of SS-31 in moles?

5 mg of Kisspeptin-10 (MW 1302.4) is 3.839 µmol. The same amount of SS-31 (MW 639.8) would weigh 2.456 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

A 10 mg vial of Kisspeptin-10 equals how many mg of SS-31 in moles?

10 mg of Kisspeptin-10 (MW 1302.4) is 7.678 µmol. The same amount of SS-31 (MW 639.8) would weigh 4.912 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

A 5 mg vial of SS-31 equals how many mg of Kisspeptin-10 in moles?

5 mg of SS-31 (MW 639.8) is 7.815 µmol. The same amount of Kisspeptin-10 (MW 1302.4) would weigh 10.178 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

A 10 mg vial of SS-31 equals how many mg of Kisspeptin-10 in moles?

10 mg of SS-31 (MW 639.8) is 15.63 µmol. The same amount of Kisspeptin-10 (MW 1302.4) would weigh 20.356 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

More questions about kisspeptin-10

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 Kisspeptin-10 and SS-31?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/kisspeptin-10-vs-ss-31/#sqa-039775

APA

Sable Peptides. (2026, October 11). *What is the difference between Kisspeptin-10 and SS-31?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/kisspeptin-10-vs-ss-31/#sqa-039775

BibTeX

@misc{sable_#sqa-039775_2026,
  author = {{Sable Peptides}},
  title = {{What is the difference between Kisspeptin-10 and SS-31?}},
  year = {2026},
  howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/kisspeptin-10-vs-ss-31/#sqa-039775}},
  note = {Accessed 11 October 2026. CC BY 4.0}
}

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Date modified: 2026-10-10