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Research peptide

Semax

Semax is a synthetic peptide analog of ACTH(4-10) studied for neurological and cognitive research applications. Status and availability differ by jurisdiction.

By The Peptides Codex Editorial TeamReviewed July 10, 2026
Length
7 aa
Class
Research peptide
Function
ACTH(4-10) analog studied in neuro research
Context
Research / regional regulatory status varies

High search interest in cognitive peptide education.

Part of the Neuropeptides & signaling cluster

Overview

Semax is a synthetic peptide analog of ACTH(4-10) studied for neurological and cognitive research applications. Status and availability differ by jurisdiction.

Source & context

Biological / chemical source: Synthetic heptapeptide

Primary research or clinical context: Research / regional regulatory status varies

Structure context

Semax modifies a fragment of adrenocorticotropic hormone. Educational materials contrast it with endogenous ACTH fragments and related nootropic research peptides.

FAQ about Semax

What is Semax?+

Semax is a synthetic peptide analog of ACTH(4-10) studied for neurological and cognitive research applications. Status and availability differ by jurisdiction.

Is Semax an approved medicine?+

Semax is discussed here as a research / educational topic. Research / regional regulatory status varies. This is not medical advice.

What is the typical length of Semax?+

Semax is commonly described as approximately 7 amino acids (Research peptide).

Related peptides

References & further reading

  1. 1.Wikipedia — Semax
  2. 2.PubChem — compound summary for Semax (CID 9811102)
Disclaimer: Educational content only. Not medical advice. Not instructions for human use. Research peptides and unapproved products may be restricted or illegal to market for human consumption in your jurisdiction. Consult qualified professionals and applicable law.
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Cite this: Peptides Codex — Semax educational profile.
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