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Selank research vial
Research compound

Selank

Selank is a synthetic heptapeptide analogue of the immunomodulatory tetrapeptide tuftsin extended with Pro-Gly-Pro. It has been studied in rodent models of anxiety-related behavior, GABAergic signaling and cytokine expression.

CAS Number129954-34-3
Molecular FormulaC33H57N11O9
Molecular Weight751.89 g/mol
Available as10mg
Latest lot260331SL103 · Apr 28, 2026

For in-vitro laboratory research only. Not for human or veterinary use.

Reference data

CAS#129954-34-3
FormulaC33H57N11O9
M.W.751.89 g/mol
Purity>99.80% HPLC (latest lot)
Research use only · not for human or veterinary use

Lab reports

Lot 260331SL103 · 10mg
Tested Apr 28, 2026
>99.80% HPLCView

Storage & handling

Store lyophilized material at -20°C, protected from light and moisture.

Handle in a laboratory setting using appropriate personal protective equipment.

Questions about Selank

What is Selank?

Selank is a synthetic heptapeptide analogue of the immunomodulatory tetrapeptide tuftsin extended with Pro-Gly-Pro. It has been studied in rodent models of anxiety-related behavior, GABAergic signaling and cytokine expression.

What is the CAS number of Selank?

The CAS registry number of Selank is 129954-34-3.

What is the molecular formula and weight of Selank?

Molecular Formula: C33H57N11O9. Molecular Weight: 751.89 g/mol.

How is Selank tested?

Every lot of Selank is analysed by an independent, third-party laboratory using HPLC for identity and purity. The Certificate of Analysis for each lot — lot number, test date and result — is published and listed on this page.

How should Selank be stored?

Store lyophilized material at -20°C, protected from light and moisture.

Is Selank for human use?

No. Selank is sold strictly for in-vitro laboratory research by qualified researchers aged 21 and over. It is not for human or veterinary use and is not a drug, food, supplement or cosmetic.

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