Synthetic tetrapeptide
Epitalon
A synthetic tetrapeptide with no approved drug product. It is distinct from Epithalamin, a pineal extract, with which it is sometimes conflated in supplier documentation.
Also listed as: Epithalon, AEDG peptide, Ala-Glu-Asp-Gly
Chemical identity
- Compound class
- Synthetic tetrapeptide
- Sequence
- AEDG
- Molecular formula
- C14H22N4O9
- Molecular weight
- 390.35 g/mol
- CAS number
- 307297-39-8
- PubChem CID
- 219042
- Research categories
- Peptide fragments, Preclinical research compounds
United States regulatory status
No FDA-approved product
- No approved drug product exists in Drugs@FDA.
- Listed on FDA's table of bulk substances nominated for compounding and withdrawn by the nominator, citing aggregation and impurity immunogenicity risk and absence of safety information.
- Considered at FDA's Pharmacy Compounding Advisory Committee meeting of 24 July 2026. No vote outcome had been published at the time of review.
- Not named on the WADA 2026 Prohibited List.
Regulatory status describes how a substance is classified. It is not a safety assessment, and it says nothing about the quality of any particular material.
Sources
Last reviewed 3 September 2026 · Compiled by Therapept Editorial · How these records are built