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Research Use Only!
UK Buying Guide
Where to Buy Selank in the UK
Selank is less widely stocked in the UK than most research peptides, and analytical documentation is inconsistent where it is available. This guide covers what to verify before ordering.
99%+ HPLC purityChromatogram suppliedSame-day UK dispatchTracked & plain packaging
Overview
What Is Selank?
Selank is a synthetic heptapeptide analogue of the endogenous peptide tuftsin, developed as a research compound and studied in neuropeptide research models. It is frequently studied alongside Semax, another synthetic neuropeptide analogue. It is supplied as lyophilised powder in a sealed vial.
Classification
Synthetic heptapeptide research compound
Format supplied
vial
Residue count
7 amino acids (tuftsin plus a Pro-Gly-Pro extension)
Solubility
Freely soluble in aqueous diluent without co-solvents
Purity specification
Minimum 99% by HPLC, full chromatogram supplied
Research use only
Not a medicine. Not for human or veterinary consumption.
Due Diligence
Selank Is a Tuftsin Analogue — Which Determines What to Verify
Selank is a heptapeptide built on the tuftsin sequence with a stabilising extension. It is short, water soluble and cheap to make, so the market failure here is documentation rather than chemistry.
- STEP 01
Confirm the Full Seven Residues
Selank is tuftsin plus a proline-glycine-proline extension. Bare tuftsin is cheaper and shorter; if the molecular weight on the certificate matches the four-residue parent, you have not been sent Selank.
- STEP 02
It Is Often Confused With Semax
Semax is a different Russian-origin research peptide with a different sequence and a different price. The two are frequently cross-listed by resellers who hold neither COA.
- STEP 03
Purity Is Not the Discriminator
A seven-residue water-soluble peptide is straightforward to purify. Ask for net peptide content and residual moisture; those separate a real supplier from a repackager far better than a purity percentage.
- STEP 04
Check the Analysis Was Independent
On low-priced compounds, self-certification is normal in this market. Testing performed by a laboratory independent of the manufacturer is the difference between evidence and a marketing claim.
Supplied strictly as a laboratory research chemical. Not a medicine, not for human or veterinary consumption, and not for diagnostic use.
Available Options
Selank Options Available From Arma Peptides
Selank is supplied in a single lyophilised vial size. On short soluble peptides, judge listings on net peptide content and independent testing rather than on nominal milligrams.
Product
Format
Size
Price
Stock
Handling & Delivery
Selank Solubility and Storage
Selank is one of the easier peptides to handle. The two points worth knowing are both about moisture.
Highly Water Soluble
It dissolves readily in bacteriostatic water with no need for co-solvents. Slow or incomplete dissolution on Selank is an identity signal, not a technique problem.
Hygroscopic as a Solid
Equilibrate the sealed vial to room temperature before opening, or condensation will land directly on the powder and begin hydrolysis.
Reasonable Solution Stability
Refrigerated at 2–8 °C, reconstituted Selank holds acceptably for a few weeks. Aliquoting is still preferable to repeated vial entry.
Dispatch and Damage Cover
Same working day dispatch before the cut-off, tracked, plain outer packaging, and replacement or full refund on photographed damage reported within 48 hours.
FAQ
Selank in the UK: Questions Researchers Ask Before Ordering
+Is Selank legal to buy in the UK?
Yes, for laboratory research. It is not a licensed medicine in the UK, must not be marketed as one, and must not be used for human or veterinary consumption.
+What is Selank derived from?
It is a synthetic analogue of tuftsin, a naturally occurring immunomodulatory tetrapeptide, extended with a proline-glycine-proline sequence that improves stability.
+Is Selank the same as Semax?
No. Semax is a separate research peptide with a different sequence, derived from ACTH(4-10). They are frequently cross-listed by resellers, so check the molecular weight on the certificate.
+What is Selank derived from?
It is a synthetic analogue of tuftsin, a naturally occurring tetrapeptide, extended with a stabilising sequence. The modification is what gives it a longer stability profile than tuftsin itself in research conditions.
+Is Selank the same as Semax?
No. Both are synthetic neuropeptide analogues studied in overlapping research areas, but they have different sequences and different parent molecules. They are not interchangeable.
+Does Selank need a special diluent?
No. It is freely water soluble and standard bacteriostatic water is appropriate. If a vial does not dissolve readily, question the contents rather than the method.
+How should it be stored?
Sealed at 2–8 °C, or −20 °C for long-term holding, and equilibrated to room temperature before opening because it is hygroscopic. Reconstituted solution goes back in the refrigerator.
+Can unopened Selank be returned?
Yes, within 14 days of receipt, unopened and in original sealed packaging. Unsealed vials cannot be returned for health-protection reasons, and statutory rights on faulty goods are unaffected.
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