Description
Our Semax 5mg vial holds 5mg of lyophilized Semax, an ACTH(4-10) analog peptide. It’s sold for laboratory research only.
What is Semax?
Semax is a seven-amino-acid peptide (Met-Glu-His-Phe-Pro-Gly-Pro) based on a fragment of ACTH, with a Pro-Gly-Pro tail added for stability. It was developed at the Institute of Molecular Genetics in Moscow.
It’s registered in Russia and used there as a nasal drop.
Semax mechanism of action
Semax is based on ACTH(4-10), a piece of the stress hormone ACTH that affects the brain but not the adrenal glands. The Pro-Gly-Pro tail slows its breakdown.
In rats it raised BDNF, a growth factor that supports neuron survival and learning, and changed dopamine and serotonin activity. It’s usually studied as an intranasal compound.
Semax 5mg product details
- Compound: Semax
- CAS number: 80714-61-0
- Molecular formula: C37H51N9O10S
- Molar mass: 813.9 g/mol
- Sequence: Met-Glu-His-Phe-Pro-Gly-Pro
- Amount: 5mg per vial
- Form: lyophilized (freeze-dried) powder
- SKU: EVP-SEMAX-5
- Use: laboratory research only
Semax research
Dolotov and colleagues reported that Semax raised BDNF and its receptor TrkB in rat hippocampus.
Russian clinical studies looked at stroke recovery.
To read the papers yourself, start with this PubMed search for Semax.
Lab testing for Semax 5mg
The product photos for Semax 5mg include:
- A certificate of analysis with identity, measured quantity and HPLC purity.
- An endotoxin report from a kinetic LAL assay.
Click any image to zoom in on the numbers. Each report names the batch it covers, so match it against the batch number on your label.
How to reconstitute Semax 5mg
Here’s the math for 5mg of peptide:
- 1ml of bacteriostatic water gives 5mg/ml
- 2ml of bacteriostatic water gives 2.5mg/ml
- 3ml of bacteriostatic water gives 1.67mg/ml
Go with whichever number is easiest to work with in your protocol, and label the vial with the concentration and the date you mixed it.
Use sterile bacteriostatic water. Warm the sealed vial to room temperature first so no condensation gets in, add the water slowly along the glass wall, and swirl gently until it’s clear. Never shake.
Storing Semax 5mg
The dry powder keeps best cold: 2 to 8°C in the fridge, or -20°C for long-term storage. After reconstitution, store it in the fridge and finish it within roughly four weeks.
Related research peptides
- N-Acetyl Semax Amidate 10mg, capped Semax analog
- DSIP 5mg, neuropeptide
- Pinealon 20mg, bioregulator peptide
- Selank and Semax Blend 10mg/10mg, Selank and Semax in one vial
- Selank 5mg, tuftsin analog
Browse the full nootropic peptides range, or see every vial on our research peptides page.
Common questions about Semax 5mg
How much is in the Semax 5mg vial?
5mg of lyophilized powder. The amount is printed on the label.
Can Semax be used in people or animals?
No. It’s sold for laboratory research only and isn’t approved for human or veterinary use.
Is it in stock?
Yes, Semax 5mg is in stock now.
Is Semax 5mg lab tested?
Yes. The lab reports are in the product photos, so you can check purity before you order.
What do I mix Semax 5mg with?
Sterile bacteriostatic water. The reconstitution section above shows the concentration for each volume.
Buy Semax 5mg online
Semax 5mg is in stock at $25.00. Choose your quantity, add it to the cart and check out in a couple of minutes. Add a vial of bacteriostatic water if you don’t have any, so you’re ready to reconstitute when it arrives.
Need more for the same project? See the rest of our nootropic peptides.
For laboratory research use only. Not for human or veterinary use. Not evaluated by the FDA.










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