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Documented in Peer-Reviewed Research

Semax

Synthetic Heptapeptide

Semax is a synthetic heptapeptide derived from the ACTH(4-7) fragment with a Pro-Gly-Pro C-terminal extension. Developed at the Institute of Molecular Genetics in Moscow, it has been studied for nootropic and neuroprotective properties.

  • BDNF Expression
  • Neuroprotection
  • Cognitive Function
  • Neuroplasticity

Quantified findings reported in the literature

7

amino acid residues in the Semax heptapeptide sequence

Ashmarin et al., 1995

96-99%

HPLC-verified purity range across published batch testing

Stemcode Peptides COA data

Published, peer-reviewed studies

  1. Zh Vyssh Nerv Deiat Im I P Pavlova1997

    A nootropic adrenocorticotropin analog 4-10-semax (15 years experience in its design and study)

    View source on PubMed/DOI ↗
  2. Zh Nevrol Psikhiatr Im S S Korsakova2005

    Semax in prevention of disease progress and development of exacerbations in patients with cerebrovascular insufficiency

    View source on PubMed/DOI ↗
  3. Brain Res2006

    Semax, an analog of ACTH(4-10) with cognitive effects, regulates BDNF and trkB expression in the rat hippocampus

    Study demonstrating Semax-induced upregulation of BDNF and its receptor TrkB in rat hippocampus and cortex, supporting neuroprotective mechanisms.

    View source on PubMed/DOI ↗

Third-party analytical reports

Certificates of Analysis from independent laboratories for products supplied by Stemcode. Reported values describe the analysed material; they are reported as documented and are distinct from the published literature above.

SemaxQalitex
Net content
11.3 mg
Lot
SP26-SMV10
COA #
COA-2026-9149580
Report date
07/17/2026
View full report ↗
SemaxQalitex
Net content
33 mg
Lot
SP26-SMN30
COA #
COA-2026-9149598
Report date
07/17/2026
View full report ↗

Stemcode supplies Semax as a research-grade compound for laboratory research use only — not for human or animal consumption.

View the research-grade product →

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Every compound is documented in published, peer-reviewed literature. Our research library indexes 43 studies across 35 journals for 20 compounds.

Our Studies →
43

Peer-reviewed studies in our research library have examined the mechanisms of action of these peptide compounds.

20
Peptide Compounds
35
Journals Referenced
43
Published Studies

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