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COGNITION & FOCUS
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Semax
Buy Semax (ACTH(4-7)-PGP): in the literature it centres on attention and memory. Modelled on a fragment of the hormone ACTH. 10 mg vial, ≧99.1% pure.
Batch verification Verified
Tested product
Semax · 10mg
Batch/lot number
SX10-B01
HPLC purity
99.142%
Report number
RPT-DEFTL
Test date
19-06-2026
Laboratory
ZERA Bioanalytics
Batch traceable
Current stock: batch SX10-B01 · report RPT-DEFTL from ZERA Bioanalytics.
4.5/5on Trustpilot· Verified reviews
Ordered before 3:00 PM, shipped todayOrder now, shipped Thursday
Order todayNow
Shippingtoday
Expected deliveryFriday 2 Oct.
Carefully packagedTrack & TraceShipped from the EU
4.5/5on Trustpilot · Verified reviews
Why choose Semax?
- Chain of seven building blocks, modelled on a piece of the hormone ACTH
- 10 mg vial
- Purity ≧99.1%, supplied as a freeze-dried powder
- With every peptide product, you receive 3 ml of bacteriostatic water for free.
- Carefully packaged and shipped from the Netherlands. Ordered before 15:00, shipped today.
Product information
Semax is a chain of seven building blocks, in the order MEHFPGP. Seven building blocks is what specialists call a heptapeptide. It is modelled on a piece of ACTH, a hormone made by the pituitary gland. Hence the second name you come across in the literature: ACTH(4-7)-PGP.
With Semax it is about attention and memory. What happens to brain tissue after a shortage of oxygen has also been looked at. The compound is not registered as a medicine anywhere.
Semax and Selank are often mentioned in the same breath; they are also available together as Semax + Selank blend. What sets the two apart is explained in our comparison of Selank and Semax. How to dissolve the powder with bacteriostatic water is explained in the reconstitution and storage guide. You can find the full range under Cognition & focus.
| Name | Semax |
|---|---|
| Also known as | ACTH(4-7)-PGP |
| CAS number | 80714-61-0 |
| Molecular formula | C37H51N9O10S |
| Molecular weight | 813.9 g/mol |
| Number of amino acids | 7 (heptapeptide) |
| Sequence | Met-Glu-His-Phe-Pro-Gly-Pro (MEHFPGP) |
| Available vials | 10 mg |
| Purity | ≧99.1% |
| Form | Lyophilisate (freeze-dried powder) |
| Appearance | White to off-white powder |
| Solvent | Bacteriostatic water |
| Unopened storage | Store at 2–8 °C, in a dry and dark place. |
| Long-term storage | -20 °C, only in powder form |
| After reconstitution | Keep refrigerated at 2–8 °C. Quality declines after approximately 30 days. |
| Use | For laboratory research only |
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Frequently Asked Questions
What is Semax?
Semax is a chain of seven building blocks, modelled on a piece of ACTH. That is a hormone made by the pituitary gland, a small gland at the base of the brain.
What is Semax about?
Mainly attention and memory. What happens to brain tissue after a shortage of oxygen has also been looked at.
What is the difference between Semax and Selank?
Where they come from. Semax is modelled on a piece of ACTH, Selank on a piece of tuftsin. The topics differ too: with Semax it is about attention and memory, with Selank about anxiety and tension.
Is Semax an approved medicine?
No. The substance is not registered as a medicine anywhere. What we supply is intended exclusively for laboratory research.
What do you dissolve Semax in?
With sterile bacteriostatic water. It is included free with every vial. Let the liquid run down the wall of the vial and swirl gently rather than shaking.
How do you store Semax?
Unopened, store in a cool, dry, and dark place at 2 to 8 °C. For longer storage, -20 °C is suitable, only in powder form. After dissolving, store the vial refrigerated; the quality of the peptide deteriorates from approximately 30 days.
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