Browse Peptides

Rated 5 out of 5

Selank

Selank is a synthetic heptapeptide analog of the immunomodulatory peptide tuftsin, studied for its anxiolytic and nootropic properties in cognitive-research models. Supplied as lyophilized powder at ≥99% purity. Every lot is third-party assayed and the certificate is published before the batch ships.
From $44.99

Per unit · taxes calculated at checkout

Ships by Monday, September 14 from our warehouse.

For laboratory research use only. Not for human consumption.

30-day money-back guarantee

Trusted by 10,000+ researcherswho choose Browse Peptides for verified, batch-tested compounds.
  • Anxiolytic mechanism research without sedative pathway involvement
  • GABAergic and serotonergic system modulation studies
  • Cognitive enhancement and memory research in preclinical models
  • BDNF upregulation and neuroprotective biology investigations
  • Stress response and HPA axis research
  • Immune modulation and enkephalin regulation studies
For research use only. This product is not a drug, food, cosmetic, or supplement and is not intended for human or animal consumption.
CompoundSelank
Molecular FormulaC₃₃H₅₇N₁₁O₉
Molecular Weight751.87 g/mol
CAS Number129954-34-3
Purity≥99% (HPLC)
FormLyophilized powder

Every batch is sent to an independent laboratory before it is listed. Identity is confirmed by mass spectrometry and purity by HPLC. The batch-specific Certificate of Analysis is published on the COAs page and a printed copy ships with your order.

  • Identity: LC-MS
  • Purity: HPLC, reported as area percent
  • Net content: gravimetric

Orders are processed within 1 to 2 business days. Orders over $250 ship free with 2-day delivery. Tracking is emailed when the package leaves.

Store sealed lyophilized vials at -20°C, protected from light and moisture. After reconstitution, refrigerate at 2 to 8°C and avoid repeated freeze-thaw cycles.

The honest comparison

Us, and the alternative.

Most peptide sellers are a reshipping desk with a logo. Here is the difference, line by line, in the things that actually cost you a study.

Browse Peptides

United States, every lot published

  • Third-party HPLC + MS certificate for your exact lot
  • Ships from our warehouse, 2-day delivery
  • Cold-chain packed, tracked door to door
  • Published purity of 99% or higher by HPLC, batch number on every vial
  • Registered US business with reachable support
  • Batch and lot traceable on site, permanently
  • 30-day money-back guarantee

Typical overseas suppliers

Unnamed reshipper, no fixed lot

  • Generic or recycled COA, if any
  • 2 to 6 weeks in transit, customs risk
  • Unrefrigerated, untracked
  • Purity “as supplied”, never verified
  • No accountable entity behind the site
  • No lot transparency
  • No recourse if the vial is wrong

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