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Selank 10 mg supplied as a lyophilised vial. Tested at 99.21% purity by an independent laboratory. Certificate published under lot RP218-16Mar26-10.
98+
Every lot has a certificate from an independent laboratory, typically for HPLC purity and identity.
1–3
Orders are usually prepared for shipment within 1–3 business days, then tracked end to end.
COA
Read the latest certificate for the compound before you place the order, not after.
Certificate of analysis
The certificate of analysis an independent laboratory issued for the lot listed here: typically purity by HPLC and identity, and endotoxins where the laboratory tested them.
Lyophilised powder is stable at ambient temperature in transit. On arrival, keep sealed vials refrigerated at 2–8 °C, dry and dark. For storage beyond three months, keep at −20 °C.
Follow your laboratory's own protocol.
Refrigerate at 2–8 °C and protect from light. Use within 30 days. Discard if the solution becomes cloudy or discoloured.
For laboratory research use only. Not for human or veterinary consumption. Not a drug or dietary supplement.
Research record
Selank is a synthetic heptapeptide analogue of the endogenous immunopeptide tuftsin, studied in research involving neuropeptide signaling, regulatory peptide biology, and neuroendocrine communication pathways. Unlike receptor-selective agonists, Selank is investigated for its broader signaling profile and potential interactions with multiple regulatory networks, including pathways associated with GABAergic and monoaminergic signaling. Sold for research use only.
01
The peptide is an analogue of tuftsin, a tetrapeptide reviewed extensively for immunomodulatory activity. Reviews of tuftsin and its derivatives set out the structural family the compound belongs to and the range of activities attributed to its analogues.
02
In rat frontal cortex, expression of 84 genes involved in neurotransmission was measured one and three hours after administration of the peptide or GABA. Significant changes were found in 45 genes at one hour and 22 at three hours, with correlation between the two treatments. A parallel study in IMR-32 neuroblastoma culture compared the peptide with GABA and olanzapine on the same gene panel.
03
A separate study followed the temporal dynamics of inflammation-related gene expression under the peptide, and behavioural work in rats reported attenuation of aversive signs in a naloxone-precipitated morphine withdrawal model, with the peptide compared against diazepam.
| Research area | Assay |
|---|---|
| Neurotransmission genes | qPCR panel of 84 GABAergic and monoamine transcripts in rat cortex |
| Cell-culture comparison | Gene expression in IMR-32 neuroblastoma against GABA and olanzapine |
| Inflammatory transcripts | Temporal dynamics of inflammation-related gene expression |
| Behavioural models | Naloxone-precipitated morphine withdrawal in rats |
| Tissue morphology | Hepatocyte morphometry under chronic foot-shock stress |
As with Semax, this body of work comes largely from a small number of Russian groups, and the readouts are transcriptional and behavioural in animals rather than clinical endpoints. The compound holds no FDA approval.
Regulatory status as of October 2026.
2D structure · PubChem CID 11765600
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Every compound we sell is supplied for laboratory research and development only. It is not a drug, not a supplement, and not intended to diagnose, treat, cure or prevent any condition in humans or animals. Buying from this site means you are acquiring it for in vitro or other controlled research work.
Purchasers must be 21 or older and are responsible for compliance with the law where they take delivery. We ship to research institutions, laboratories and qualified individual researchers in the United States only. We do not ship to jurisdictions where these compounds are restricted.
Check three things in order. First, the lot code on the certificate matches the lot listed on the product page and in your order. Second, where the report gives an HPLC purity, its chromatogram shows a single dominant peak at the stated figure; a blend's report shows a peak for each compound. Third, where the lab ran mass spectrometry, the measured mass matches the expected molecular weight of the compound. Anything that does not line up, send us the lot code.
Unopened vials keep at ambient temperature short term, as in transit; on arrival, refrigerate them at 2–8 °C, and keep them at −20 °C beyond three months. Reconstitute following your laboratory's own protocol; once in solution, refrigerate at 2–8 °C, protect from light and use within 30 days.
Orders are normally prepared for shipment within 1–3 business days and ship to street addresses in the United States only — not to P.O. boxes or APO/FPO/DPO military addresses. Shipping is free on orders over $150 and a flat $14.95 below that.
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