Semax
Semax – Research Peptide | globalpeptidesofficial
Semax is a synthetic heptapeptide derived from ACTH(4-7). It was originally developed in Russia. Researchers study it for its effects on BDNF expression and neuroprotective pathways. It’s one of the more unique peptides in cognitive and neurological research.
Specs Table
| Peptide Name: Semax
| Also Known As: ACTH(4-7)PGP
| Sequence: Met-Glu-His-Phe-Pro-Gly-Pro
| Molecular Formula: C₃₅H₄₈N₈O₁₀S
| Molecular Weight: 779.88 g/mol
| Form: Lyophilized Powder
| Purity: ≥99%+ (Janoshik verified)
| Storage: -20°C sealed / 4°C after reconstitution
| Stability: 24 months sealed, use within 30 days reconstituted
Is Semax from globalpeptidesofficial.com Third-Party Tested?
Yes. Every single batch is tested by Janoshik. So there’s no guessing involved. You get a batch-specific COA with every order.
However, not every supplier does this. Many just print a purity number with nothing behind it. That’s not good enough for serious research.
First, check your batch number when it arrives. Next, match it to the COA listed on site. Finally, go verify it directly on the Janoshik database if you want. We have nothing to hide.
That’s what research-grade actually means at globalpeptidesofficial.com
What Is Semax and Why Do Researchers Study It?
Semax is a heptapeptide. Seven amino acids. Small structure. But it has a well-documented research profile.
It’s derived from a fragment of ACTH. So it shares some structural similarities with adrenocorticotropic hormone. However, it was modified specifically for stability and CNS research applications.
Researchers study semaxanib. primarily for:
– BDNF (brain-derived neurotrophic factor) upregulation pathways
– Neuroprotective mechanisms in cell and animal models
– Dopamine and serotonin system interactions
– Cognitive function models in rodent research
Also, it has been studied extensively in Eastern European research since the 1980s. Therefore, there’s a solid body of published literature to reference.
How Is Semax Different From Selank or Other Neuropeptides?
Good question. Researchers mix these up often. Here’s the short answer.
Semax comes from ACTH. Selank comes from tuftsin. Different origins. Different mechanisms being studied. So they’re not interchangeable in a research protocol.
Semax research focuses more on BDNF pathways and neuroprotection. Selank research focuses more on anxiolytic and immune-modulating mechanisms. But both are studied in the nootropic peptide space.
Also, Semax has a shorter half-life than some other peptides. It clears faster. Therefore, intranasal delivery has been the more common administration route studied in published literature.
Finally, if your protocol is specific, make sure you’re ordering the right compound. Don’t swap them based on price.
How Should Researchers Store and Handle Semax?
Storage is simple. But get it wrong and you waste your compound.
Before reconstitution (lyophilized):
– Store at -20°C
– Keep sealed and away from moisture
– Stable up to 24 months under proper conditions
After reconstitution:
– Store at 4°C
– Use within 28–30 days
– Use bacteriostatic water for reconstitution
– Roll the vial gently never shake or vortex
However, Semax is considered relatively stable compared to some larger peptides. But that doesn’t mean you treat it carelessly. Also, avoid repeated freeze-thaw cycles. Each one degrades the peptide structure.
So handle it clean. Store it right. Your data depends on it.
What Purity Should Researchers Expect From Semax?
Our Semax tests at ≥99% purity. That number comes from Janoshik. Not from us.
But purity percentage alone isn’t the full picture. Also look for:
– Mass spectrometry confirmation of correct molecular weight
– HPLC chromatography data
– Absence of harmful residual solvents
– No visible clumping or discoloration in the lyophilized form
So when you order from globalpeptidesofficial.com, you’re getting documented analytical data. Not marketing copy. Not a sticker on a vial.
Therefore, if a supplier can’t show you those details — move on.
For research use only. Not intended for human or veterinary use.

Research Use Only. All products listed on globalpeptidesofficial.com are intended exclusively for in-vitro laboratory research. These compounds are not approved by the FDA or any regulatory authority for human or veterinary use. They are not drugs, supplements, or medical treatments. Nothing on this page constitutes medical advice, diagnosis, or treatment recommendations. Researchers are solely responsible for compliance with applicable local, national, and international regulations governing the purchase, storage, and use of research chemicals.







Reviews
There are no reviews yet.