Sable · Question
What is the difference between Sermorelin and Thymosin alpha-1?
Sermorelin is the 29-residue N-terminal fragment of growth hormone-releasing hormone, the shortest fully active GHRH fragment, used in GHRH receptor research (peptide, MW about 3357.9 g/mol).
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Last verified 2026-10-10
What is the difference between Sermorelin and Thymosin alpha-1?
Sermorelin is the 29-residue N-terminal fragment of growth hormone-releasing hormone, the shortest fully active GHRH fragment, used in GHRH receptor research (peptide, MW about 3357.9 g/mol).
Which is heavier, Sermorelin or Thymosin alpha-1?
Sermorelin has a molecular weight of about 3357.9 g/mol and Thymosin alpha-1 about 3108.3 g/mol (PubChem), so Sermorelin is heavier by 249.6 g/mol, a ratio of 1.08. This means 1 mg of Sermorelin contains 297.8 nmol versus 321.7 nmol for Thymosin alpha-1.
How many mg of Thymosin alpha-1 are equimolar to 1 mg of Sermorelin?
1 mg of Sermorelin (MW 3357.9) is 297.8 nmol. The same number of moles of Thymosin alpha-1 (MW 3108.3) weighs 0.9257 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.
Compare the molecular formulas of Sermorelin and Thymosin alpha-1
PubChem lists Sermorelin as C149H246N44O42S (3357.9 g/mol) and Thymosin alpha-1 as C129H215N33O55 (3108.3 g/mol). Sermorelin is a peptide; Thymosin alpha-1 is a peptide. These formulas refer to the parent compounds without salt counter-ions.
A 2 mg vial of Sermorelin equals how many mg of Thymosin alpha-1 in moles?
2 mg of Sermorelin (MW 3357.9) is 0.5956 µmol. The same amount of Thymosin alpha-1 (MW 3108.3) would weigh 1.851 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of Sermorelin equals how many mg of Thymosin alpha-1 in moles?
5 mg of Sermorelin (MW 3357.9) is 1.489 µmol. The same amount of Thymosin alpha-1 (MW 3108.3) would weigh 4.628 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of Sermorelin equals how many mg of Thymosin alpha-1 in moles?
10 mg of Sermorelin (MW 3357.9) is 2.978 µmol. The same amount of Thymosin alpha-1 (MW 3108.3) would weigh 9.257 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of Thymosin alpha-1 equals how many mg of Sermorelin in moles?
5 mg of Thymosin alpha-1 (MW 3108.3) is 1.609 µmol. The same amount of Sermorelin (MW 3357.9) would weigh 5.402 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of Thymosin alpha-1 equals how many mg of Sermorelin in moles?
10 mg of Thymosin alpha-1 (MW 3108.3) is 3.217 µmol. The same amount of Sermorelin (MW 3357.9) would weigh 10.803 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
More questions about sermorelin
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 Sermorelin and Thymosin alpha-1?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/sermorelin-vs-thymosin-alpha-1/#sqa-040878
APA
Sable Peptides. (2026, October 11). *What is the difference between Sermorelin and Thymosin alpha-1?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/sermorelin-vs-thymosin-alpha-1/#sqa-040878
BibTeX
@misc{sable_#sqa-040878_2026,
author = {{Sable Peptides}},
title = {{What is the difference between Sermorelin and Thymosin alpha-1?}},
year = {2026},
howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/sermorelin-vs-thymosin-alpha-1/#sqa-040878}},
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