Selank

TP-7; Thr-Lys-Pro-Arg-Pro-Gly-Pro; tuftsin analogue

Identity

Sequence

TKPRPGP

Three-letter

Thr-Lys-Pro-Arg-Pro-Gly-Pro

Length

7 residues

Modifications

None

Formula

C33H57N11O9

Average mass

751.9 Da

CAS

129954-34-3

Specifications (per released lot)

Purity

≥ 98 % by RP-HPLC, 220 nm

Identity

ESI-MS; observed mass within 0.1 % of calculated

Form

White to off-white lyophilized powder

Counter-ion

Trifluoroacetate; acetate on request

Net peptide content

Reported per lot (typically 70–90 % of gross mass; the balance is counter-ion and water)

Vial sizes

5 mg · 10 mg · 25 mg net peptide; bulk on quotation

Storage

−20 °C, desiccated, protected from light. Ships at ambient temperature.

Documents

Lot certificate of analysis (COA library); safety data sheet in WHMIS 2015 format, enclosed with every shipment

Research context

Heptapeptide analogue of the tetrapeptide tuftsin (TKPR) extended with Pro-Gly-Pro. Used in neuropeptide, GABAergic-modulation and anxiolytic-mechanism studies in rodents. Marketed as a drug in Russia; not authorized in Canada or the United States.

Literature context is provided to help laboratories identify the reagent. It is not a claim about effects in people and does not describe any use outside in-vitro or approved animal research.