Description
Our Semax 10mg vial holds 10mg of lyophilized Semax, an ACTH(4-10) analog peptide. This batch tested at 99% purity. It’s intended for lab research only.
Semax at a glance
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.
How Semax works
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 10mg 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: 10mg per vial
- Form: lyophilized (freeze-dried) white powder
- Source: chemical synthesis
- Purity: 99% (mass spectrometry and HPLC-UV)
- SKU: BSP-SEMAX-10
- Use: laboratory research only
Published Semax studies
Dolotov and colleagues reported that Semax raised BDNF and its receptor TrkB in rat hippocampus.
Russian clinical studies looked at stroke recovery.
For the original studies, try this PubMed search.
How Semax compares
Semax 10mg is easier to place once you see it next to the compounds it’s usually compared with. Semax is built on a fragment of ACTH and linked to BDNF in rodent studies. The others:
- Selank is built on tuftsin and studied for anxiety through the GABA system
- DSIP is a nine-amino-acid peptide first isolated from rabbits in deep sleep
These three are short neuropeptides from the same era of Russian and European research. They’re studied for focus, anxiety and sleep, respectively. See them all on our nootropic peptides page.
Reconstituting Semax 10mg
Here’s the math for 10mg of peptide:
- 1mL of water gives 10mg/mL
- 2mL of water gives 5mg/mL
- 3mL of water gives 3.33mg/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.
Most labs use sterile bacteriostatic water. Let the vial reach room temperature, run the water slowly down the inside of the glass, then roll the vial gently until the powder dissolves. Don’t shake it. Shaking can shear peptide chains.
Storing Semax 10mg
Store sealed vials of Semax 10mg in the freezer (-20°C) or the fridge (2 to 8°C), out of direct light. Mixed solution goes back in the fridge and should be used within about 28 days.
A 10-slot vial case keeps open and sealed vials upright and apart, which makes the fridge shelf a lot easier to manage. For transport, the Blue Sky hard storage box is the sturdier option.
Lab-tested Semax 10mg
Our Semax 10mg batch measured 99% pure by HPLC with mass spectrometry confirming the identity. We print the real number, so you know what’s going into your experiment.
Note the batch number on the label when the vial arrives. That’s what the certificate of analysis is filed under, and we’ll send you a copy on request.
Write the batch number in your lab notes when you open a new vial. If you ever need to compare results between orders, that’s the detail you’ll want.
Other nootropic peptides to look at
- Selank 10mg, a tuftsin analog
- DSIP 5mg, a neuropeptide
- ARA-290 2mg, an EPO-derived peptide
- Hexarelin 2mg, a GH releasing peptide
- GHK-Cu 50mg Copper Peptide, a copper peptide
Browse the full nootropic peptides range, or see everything on our research peptides page.
Semax 10mg questions
How much is in the Semax 10mg vial?
10mg of freeze-dried powder. The amount is printed on the label.
What do I mix Semax 10mg with?
Sterile bacteriostatic water is the usual choice. The reconstitution section above shows the concentration for each volume.
How should I store it?
Sealed vials keep at room temperature in transit. For storage, use the freezer long term or the fridge for a few weeks. Once mixed, refrigerate and use within about 28 days.
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 Semax 10mg in stock?
Yes, Semax 10mg is in stock now and ready to ship.
Buy Semax 10mg from Blue Sky Peptide
Order Semax 10mg now for $38.97. It’s in stock, and checkout takes about two minutes.
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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