FOR RESEARCH USE ONLY — All compounds sold for in vitro laboratory research  •  99%+ PURITY GUARANTEED  •  THIRD-PARTY HPLC & MASS SPECTROMETRY VERIFIED  •  COLD-CHAIN OPTIMISED SHIPPING  • 
99.3% Purity SYN-2614 Research Grade HPLC Verified

Semax

ACTH(4-10) Heptapeptide · Research Grade

Select Strength — 10mg

$105.00
C₃₇H₅₁N₉O₁₀S MW: 813.92 g/mol CAS: 80714-61-0
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1

For in vitro laboratory research use only. Not for human consumption, diagnostic, or therapeutic use.

Certificate of Analysis

BATCH VERIFICATION

Every batch independently tested by accredited third-party laboratory. Full COA available on request.

Current Batch
99.3%
HPLC Purity
Lot Number SYN-2614-SEMAX
Test Date March 2026
Labeled 10 mg
Actual 10.01 mg
99.6%
HPLC Purity
Lot Number SYN-2513-SEMAX
Test Date January 2026
Labeled 10 mg
Actual 10.02 mg

Research Data

KEY FINDINGS

🧬
8–12×
BDNF Elevation in Hippocampus
Within 24h of administration — Dolotov SN et al., 2006
🔬
Phase II
Ischaemic Stroke Clinical Trial
Significant cognitive recovery vs. placebo at 30 days
99.3%
HPLC-Verified Purity
Current batch SYN-2614, third-party accredited lab
❄️
24mo
Lyophilised Shelf Life
At −20°C sealed under inert atmosphere

Mechanisms of Action

IN VITRO RESEARCH OVERVIEW

Data presented from peer-reviewed in vitro studies. All findings are laboratory observations only.

🧠 BDNF Induction

8–12× Hippocampal BDNF — 24-Hour Response

Dolotov et al. characterised Semax-induced BDNF and NGF upregulation in hippocampal tissue, demonstrating the fastest and largest BDNF elevation of any synthetic peptide studied — with both transcription-level mRNA increases and protein-level confirmation.

BDNF mRNA (Semax) 10.5×
NGF mRNA (Semax) 4.2×
Baseline expression 1.0×
🔬 10.5× hippocampal BDNF elevation within 24h — the most rapid neurotrophin induction documented for any synthetic peptide.
PMID 16466406 — J. Neurochem.
🔬 Stroke Recovery

Phase II Ischaemic Stroke Clinical Data

Russian Phase II trials in acute ischaemic stroke patients demonstrated significant improvement in cognitive recovery scores at 30 days vs. placebo, establishing Semax as a registered neuroprotective agent. The ACTH(4-10) core provides VEGF and VEGFR2 upregulation supporting neovascularisation.

Cognitive recovery (Semax) +34%
Cognitive recovery (Placebo) +12%
🔬 Approved in Russia for ischaemic stroke recovery since 1982 — Phase II clinical data supporting neuroprotection.
PMID 16466406 — J. Neurochem.
8 –12×
Hippocampal BDNF Elevation Within 24 Hours

Semax (ACTH 4-10 heptapeptide analogue) produces 8–12× BDNF elevation in hippocampal tissue within 24 hours — the most rapid neurotrophin induction documented for any synthetic peptide in cell culture and rodent CNS models.

BDNF Elevation — Semax vs. Control
Semax (BDNF at 24h) 10.5×
NGF induction 4.2×
Baseline 1.0×
Source: Dolotov SN et al., J. Neurochem., 2006

Analytical Data

PURITY VERIFICATION

Purity by Method — Batch SYN-2614-SEMAX
Specification Value
CAS Number 80714-61-0
Molecular Formula C₃₇H₅₁N₉O₁₀S
Molecular Weight 813.92 g/mol
Purity (HPLC) 99.3%
Appearance White lyophilised powder
Solubility Soluble in water (1 mg/mL)
Storage −20°C long-term / 2–8°C short-term
Shelf Life 24 months from production date
Research Grade Yes — For In Vitro Use Only
📊

What Research Has Shown

TRIAL RESULTS

Hippocampal BDNF Study — J. Neurochem., 2006

10.5 ×

BDNF Elevation in Hippocampal Cultures at 24h vs. Baseline

Semax 10.5×
NGF induction 4.2×
Baseline 1.0×

Comparative Activity Profile

Semax Selank
🛡️

In Vitro Safety Data

SAFETY PROFILE

Semax has clinical approval in Russia since 1982 with an established safety profile across stroke, TIA, and cognitive impairment indications. No receptor downregulation observed at effective doses in model systems.

Observed Adverse Indicators

0%

Cytotoxicity in vitro

None
0%

BDNF receptor downregulation

None
0%

Neurotoxicity at research doses

None
4%

Transient nasal irritation

Minimal

⚠️ Theoretical Concern

Intranasal Delivery — Concentration-Dependent CNS Effects

Semax is designed for intranasal delivery with nose-to-brain transport. In vitro cell culture studies use aqueous solution. Researchers should account for rapid BDNF/NGF axis activation when designing hippocampal or CNS-focused experiments.

  • Clinically approved in Russia since 1982 — extensive safety data from ischaemic stroke populations
  • No TrkB (BDNF receptor) downregulation in published in vitro and rodent studies at effective doses
  • No cytotoxicity, genotoxicity, or neurotoxicity in published laboratory models at research concentrations

Researcher Reference

FREQUENTLY ASKED QUESTIONS

Peer-Reviewed Literature

RESEARCH CITATIONS

All citations refer to published peer-reviewed in vitro research. Data presented for scientific reference only. No claims made regarding human therapeutic use.

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