Sable · Question
What is the difference between P21 and N-Acetyl Epitalon?
P21 is a ciliary neurotrophic factor (CNTF)-derived peptidomimetic with an adamantylglycine, studied in neurogenesis research in rodent models (peptidomimetic, MW about 578.7 g/mol).
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Last verified 2026-10-10
What is the difference between P21 and N-Acetyl Epitalon?
P21 is a ciliary neurotrophic factor (CNTF)-derived peptidomimetic with an adamantylglycine, studied in neurogenesis research in rodent models (peptidomimetic, MW about 578.7 g/mol).
Which is heavier, P21 or N-Acetyl Epitalon?
P21 has a molecular weight of about 578.7 g/mol and N-Acetyl Epitalon about 432.38 g/mol (PubChem), so P21 is heavier by 146.3 g/mol, a ratio of 1.34. This means 1 mg of P21 contains 1,728 nmol versus 2,312.8 nmol for N-Acetyl Epitalon.
How many mg of N-Acetyl Epitalon are equimolar to 1 mg of P21?
1 mg of P21 (MW 578.7) is 1,728 nmol. The same number of moles of N-Acetyl Epitalon (MW 432.38) weighs 0.7472 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.
Compare the molecular formulas of P21 and N-Acetyl Epitalon
PubChem lists P21 as C27H42N6O8 (578.7 g/mol) and N-Acetyl Epitalon as C16H24N4O10 (432.38 g/mol). P21 is a peptidomimetic; N-Acetyl Epitalon is a peptide. These formulas refer to the parent compounds without salt counter-ions.
A 10 mg vial of P21 equals how many mg of N-Acetyl Epitalon in moles?
10 mg of P21 (MW 578.7) is 17.28 µmol. The same amount of N-Acetyl Epitalon (MW 432.38) would weigh 7.472 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of P21 equals how many mg of N-Acetyl Epitalon in moles?
5 mg of P21 (MW 578.7) is 8.64 µmol. The same amount of N-Acetyl Epitalon (MW 432.38) would weigh 3.736 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 P21 and N-Acetyl Epitalon?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/n-acetyl-epitalon-vs-p21/#sqa-041322
APA
Sable Peptides. (2026, October 11). *What is the difference between P21 and N-Acetyl Epitalon?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/n-acetyl-epitalon-vs-p21/#sqa-041322
BibTeX
@misc{sable_#sqa-041322_2026,
author = {{Sable Peptides}},
title = {{What is the difference between P21 and N-Acetyl Epitalon?}},
year = {2026},
howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/n-acetyl-epitalon-vs-p21/#sqa-041322}},
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