Epithalon (also spelled Epitalon or Epithalone) is a synthetic tetrapeptide — a chain of four amino acids — with the sequence Ala-Glu-Asp-Gly. It has a molecular weight of 390.34 g/mol and the formula C14H22N4O9 (CAS 307297-39-8). It was first synthesized in the 1990s, modeled on the amino acid composition of epithalamin, a peptide extract from the bovine pineal gland. Epithalon is…
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Semax is a synthetic heptapeptide derived from the 4-10 fragment of adrenocorticotropic hormone (ACTH), with an added Pro-Gly-Pro tripeptide tail for improved stability. It was first described in the late 1980s. The molecule has the sequence Met-Glu-His-Phe-Pro-Gly-Pro, a molecular weight of approximately 826.92 g/mol, and the molecular formula C38H54N12O9. It dissolves readily in water and is supplied as a lyophilized…
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