What is the CAS number for Selank?

The CAS number for Selank is 129954-34-3. Its molecular formula is C₃₄H₅₇N₁₁O₉ (MW 751.9 g/mol).

What doses of Selank are available wholesale?

Wholesale Peptide Supply stocks Selank in 10mg. Wholesale pricing is provided by quote based on order volume across 100–1,000 vials.

Is Selank third-party tested?

Yes. Every lot of Selank is tested by an independent third-party laboratory using HPLC/MS, and a per-lot Certificate of Analysis documenting identity and purity is available as a paid add-on.

Is Selank for human use?

No. Selank is sold strictly as a chemical reagent for in-vitro laboratory research and is not for human or veterinary use. Wholesale Peptide Supply is not a pharmacy or compounding facility.

How do I get wholesale pricing for Selank?

Request a quote through our contact form or open a wholesale account. An account manager replies with volume pricing and lead times, typically within 10 minutes during business hours.

Can I order Selank in bulk?

Yes. Selank is available for bulk and wholesale orders, quoted by dose and volume, with the lower price earned per compound at 100 kits (1,000 vials). Submit the doses and quantities you need for a bulk quote; all material is sourced in the USA and third-party HPLC/MS tested.

What is Selank derived from?

Selank is a synthetic analog of tuftsin, a short immune-active peptide derived from the heavy chain of immunoglobulin G, extended with a stabilizing Pro-Gly-Pro sequence that slows enzymatic degradation. That origin is why it is studied across both neurotransmitter and cytokine signaling in laboratory models.

Are Semax and Selank studied together?

Frequently. They are the standard comparative pairing in CNS peptide research despite being structurally unrelated — Semax derives from the ACTH (4-10) fragment, Selank from tuftsin. Both are stocked individually, and a Semax / Selank blend is available as a separate catalog line.

Research Use Only. Selank is sold as a chemical reagent for in-vitro laboratory research. It is not a drug, supplement, or compounded preparation, and it is not for human or veterinary use. Wholesale Peptide Supply is not a pharmacy or compounding facility under 503A or 503B.

Cognitive / NeuroCAS 129954-34-3

Wholesale Selank — Bulk Research Supply

Buy Selank wholesale and in bulk from a US-based research peptide supplier. Every lot is sourced in the USA and third-party third-party tested via HPLC/MS. Bulk Selank is quoted by dose and volume from a 100-vial mix-and-match minimum; volume pricing is earned per compound at 100 kits.

Selank is a synthetic heptapeptide analog of tuftsin studied for neurotransmitter signaling, stress response, and immune signaling.

Wholesale Catalog

Available Doses

Published per-vial wholesale pricing for Selank. Sold in kits of 10 vials with a 100-vial order minimum you can mix and match across compounds; volume pricing applies at 1,000+ vials. Contact us for larger or custom-volume quotes — typically answered within 10 minutes during business hours.

Selank 10mg

WPSSK10 · CAS 129954-34-3 · Cognitive / Neuro

$16.45/vial · under 100 kits · $13.16/vial · 100+ kits of this item

Sold in kits of 10 vials · 100-vial order minimum (mix & match across compounds) · 100+ kits of this item unlocks the lower price

Quantity

10 vials

1 kit

Request a custom quote

Overview

Selank is a synthetic heptapeptide analog of tuftsin studied for neurotransmitter signaling, stress response, and immune signaling.

History

Developed at the Institute of Molecular Genetics of the Russian Academy of Sciences in the 1990s.

Structure and mechanism

Selank is a synthetic heptapeptide analog of tuftsin, the short immune-active peptide derived from the heavy chain of immunoglobulin G. Native tuftsin is a tetrapeptide and degrades quickly; Selank extends it with a stabilizing Pro-Gly-Pro sequence — the same C-terminal strategy used in Semax — which slows enzymatic breakdown enough to make the molecule practical as a research reagent.

That dual ancestry is what makes it distinctive: it is studied across two normally separate domains. Laboratory work covers GABAergic activity and neurotransmitter dynamics on the CNS side, and cytokine and immune signaling on the side inherited from tuftsin, with anxiety-pathway modeling drawing on both. It was developed at the Institute of Molecular Genetics of the Russian Academy of Sciences in the 1990s and weighs 751.9 g/mol (C₃₄H₅₇N₁₁O₉).

Reconstitution and handling (research use)

Wholesale Selank ships lyophilized. At heptapeptide scale it dissolves quickly in bacteriostatic or sterile water and, unlike the larger peptides in the catalog, needs no special precautions against shear or foaming. Its formula contains no sulfur, so the oxidation sensitivity that governs methionine- and cysteine-containing peptides is not a limiting factor here.

Lyophilized powder is generally stored at -20°C protected from light; reconstituted solution is refrigerated at 2–8°C and used within the study's working window. These notes cover general laboratory handling of a chemical reagent only — not human or veterinary use.

Wholesale sourcing notes

Selank is stocked wholesale in a 10 mg presentation. Every lot is US-sourced and independently verified by third-party HPLC/MS for identity, purity, and quantitation, with a per-lot COA available as a paid add-on.

It is most often ordered alongside Semax — the two are the standard comparative pairing in CNS peptide research — and a Semax/Selank blend is stocked as a separate line. Volume pricing runs across the 100, 250, 500, and 1,000-vial bands under a 100-vial mix-and-match minimum.

Certificates of Analysis

Every lot of Selank is tested by an independent third-party laboratory using HPLC/MS. 4 certificates are on file below — open any one to read the full report.

Lot	Dose	Tested
100089-0948	10mg	2026-08-20
100057-0614	10mg	2026-08-05
100032-0302	10mg	2026-07-29
100031-0289	10mg	2026-07-27

Key Areas of Research

GABAergic activity, neurotransmitter dynamics
Cytokine signaling
Anxiety-pathway modeling

References

Zozulya A.A. et al. (2008). Bull Exp Biol Med 145(5):583–585.
Semenova T.P. et al. (2010). Eksp Klin Farmakol 73(8):2–5.

Selank — Frequently Asked Questions

What is Selank?: Selank is a synthetic heptapeptide analog of tuftsin studied for neurotransmitter signaling, stress response, and immune signaling.
What is the CAS number for Selank?: The CAS number for Selank is 129954-34-3. Its molecular formula is C₃₄H₅₇N₁₁O₉ (MW 751.9 g/mol).
What doses of Selank are available wholesale?: Wholesale Peptide Supply stocks Selank in 10mg. Wholesale pricing is provided by quote based on order volume across 100–1,000 vials.
Is Selank third-party tested?: Yes. Every lot of Selank is tested by an independent third-party laboratory using HPLC/MS, and a per-lot Certificate of Analysis documenting identity and purity is available as a paid add-on.
Is Selank for human use?: No. Selank is sold strictly as a chemical reagent for in-vitro laboratory research and is not for human or veterinary use. Wholesale Peptide Supply is not a pharmacy or compounding facility.
How do I get wholesale pricing for Selank?: Request a quote through our contact form or open a wholesale account. An account manager replies with volume pricing and lead times, typically within 10 minutes during business hours.
Can I order Selank in bulk?: Yes. Selank is available for bulk and wholesale orders, quoted by dose and volume, with the lower price earned per compound at 100 kits (1,000 vials). Submit the doses and quantities you need for a bulk quote; all material is sourced in the USA and third-party HPLC/MS tested.
What is Selank derived from?: Selank is a synthetic analog of tuftsin, a short immune-active peptide derived from the heavy chain of immunoglobulin G, extended with a stabilizing Pro-Gly-Pro sequence that slows enzymatic degradation. That origin is why it is studied across both neurotransmitter and cytokine signaling in laboratory models.
Are Semax and Selank studied together?: Frequently. They are the standard comparative pairing in CNS peptide research despite being structurally unrelated — Semax derives from the ACTH (4-10) fragment, Selank from tuftsin. Both are stocked individually, and a Semax / Selank blend is available as a separate catalog line.

Research Use Only

All products are intended solely for laboratory research purposes and are not for human or animal consumption. Must be handled by qualified professionals.