Sable · Question

What is the difference between SS-31 and Tesamorelin?

SS-31 is a mitochondria-targeted tetrapeptide (Szeto-Schiller peptide) that associates with cardiolipin in the inner mitochondrial membrane, studied in mitochondrial bioenergetics research (peptide, MW about 639.8 g/mol).

Research use only. Not for human consumption. No health claims.

Last verified 2026-10-10

What is the difference between SS-31 and Tesamorelin?

Which is heavier, SS-31 or Tesamorelin?

SS-31 has a molecular weight of about 639.8 g/mol and Tesamorelin about 5136 g/mol (PubChem), so Tesamorelin is heavier by 4,496.2 g/mol, a ratio of 8.03. This means 1 mg of SS-31 contains 1,563 nmol versus 194.7 nmol for Tesamorelin.

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

1 mg of SS-31 (MW 639.8) is 1,563 nmol. The same number of moles of Tesamorelin (MW 5136) weighs 8.028 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.

Compare the molecular formulas of SS-31 and Tesamorelin

PubChem lists SS-31 as C32H49N9O5 (639.8 g/mol) and Tesamorelin as C221H366N72O67S (5136 g/mol). SS-31 is a peptide; Tesamorelin is a peptide. These formulas refer to the parent compounds without salt counter-ions.

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

5 mg of SS-31 (MW 639.8) is 7.815 µmol. The same amount of Tesamorelin (MW 5136) would weigh 40.138 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 Tesamorelin in moles?

10 mg of SS-31 (MW 639.8) is 15.63 µmol. The same amount of Tesamorelin (MW 5136) would weigh 80.275 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

A 2 mg vial of Tesamorelin equals how many mg of SS-31 in moles?

2 mg of Tesamorelin (MW 5136) is 0.3894 µmol. The same amount of SS-31 (MW 639.8) would weigh 0.2491 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

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

10 mg of Tesamorelin (MW 5136) is 1.947 µmol. The same amount of SS-31 (MW 639.8) would weigh 1.246 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

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

5 mg of Tesamorelin (MW 5136) is 0.9735 µmol. The same amount of SS-31 (MW 639.8) would weigh 0.6229 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

A 20 mg vial of Tesamorelin equals how many mg of SS-31 in moles?

20 mg of Tesamorelin (MW 5136) is 3.894 µmol. The same amount of SS-31 (MW 639.8) would weigh 2.491 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.

Cite this

Research use only. Not for consumption. No health claims.

Plain

Sable Peptides. (2026). What is the difference between SS-31 and Tesamorelin?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/ss-31-vs-tesamorelin/#sqa-040614

APA

Sable Peptides. (2026, October 11). *What is the difference between SS-31 and Tesamorelin?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/ss-31-vs-tesamorelin/#sqa-040614

BibTeX

@misc{sable_#sqa-040614_2026,
  author = {{Sable Peptides}},
  title = {{What is the difference between SS-31 and Tesamorelin?}},
  year = {2026},
  howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/ss-31-vs-tesamorelin/#sqa-040614}},
  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