Description
Anxiolytic peptide studied in neuro research. Supplied strictly for laboratory and in-vitro research use — not for human or veterinary consumption.
Selank is the tetrapeptide tuftsin (Thr-Lys-Pro-Arg) extended with the same Pro-Gly-Pro tail used in Semax. The two share that stabilising design, which is why they are usually catalogued together.
| Compound | Selank |
|---|---|
| Also known as | TP-7 |
| Class | Synthetic 7-residue peptide |
| Structure | H-Thr-Lys-Pro-Arg-Pro-Gly-Pro-OH. Free-acid C-terminus. |
| Molecular formula | C33H57N11O9 |
| Molecular weight | 751.9 g/mol (free peptide) |
| CAS number | 129954-34-3 (free peptide). Selank acetate is separately registered as 2703745-90-6. |
| Appearance | White to off-white lyophilised powder. |
| Purity specification | ≥98% by HPLC |
Every lot ships against its own certificate of analysis. Search by lot number on the certificates of analysis page, or check the paperwork before you order.
Selank is supplied for laboratory research use only. It is not a drug, food or cosmetic, and it is not for human or veterinary use.
| Reconstitution | Readily soluble in water. |
|---|---|
| Storage, lyophilised | -20 °C, sealed and desiccated, protected from light. |
| Storage, reconstituted | 2-8 °C, protected from light. Use within 2-4 weeks, or freeze single-use aliquots at -20 °C for longer holds. |
| Shipping | Shipped at ambient temperature. Lyophilised material tolerates transit without a cold chain; move it to the freezer on arrival. |
Working notes
- Let a vial come to room temperature before opening it. Opening a cold vial draws in moist air, and lyophilised powder takes up water quickly.
- Add the diluent slowly down the inside wall of the vial rather than directly onto the powder cake, and let it dissolve on its own. Shaking a peptide solution is the fastest way to denature it.
- Wipe the stopper with alcohol before every draw, and keep solutions out of direct light.
- Repeated freeze-thaw cycles cost you more purity than time in the fridge does. If a vial will be used over weeks, aliquot it once and freeze the aliquots.
Additional Information
| Size | 5mg, 10mg |
|---|
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