{"product_id":"selank-10mg-lyophilised-powder","title":"Selank 10mg | Lyophilised Powder","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e✓ Verified peptide quality\u003cbr\u003e✓ ≥99% purity by HPLC\u003cbr\u003e✓ Current test certificate available\u003cbr\u003e✓ Held in UK stock\u003cbr\u003e✓ Free Royal Mail 24 Tracked delivery\u003cbr\u003e✓ Orders before 3pm dispatched the same working day\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eA point of accuracy first: Selank is a synthetic peptide — specifically a heptapeptide made from seven amino acids.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eIts sequence is Thr–Lys–Pro–Arg–Pro–Gly–Pro, commonly written as TKPRPGP. Selank is structurally related to tuftsin, a naturally occurring tetrapeptide, with a Pro–Gly–Pro sequence added at the C-terminus.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSupplied as lyophilised Selank at a 10mg nominal fill.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChemical identity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompound\u003c\/td\u003e\n\u003ctd\u003eSelank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmino-acid sequence\u003c\/td\u003e\n\u003ctd\u003eH-Thr-Lys-Pro-Arg-Pro-Gly-Pro-OH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOne-letter sequence\u003c\/td\u003e\n\u003ctd\u003eTKPRPGP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e129954-34-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular formula\u003c\/td\u003e\n\u003ctd\u003eC₃₃H₅₇N₁₁O₉\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular weight\u003c\/td\u003e\n\u003ctd\u003e751.88 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompound class\u003c\/td\u003e\n\u003ctd\u003eSynthetic heptapeptide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlso indexed as\u003c\/td\u003e\n\u003ctd\u003eSelanc, PL-14736, TP-7, tuftsin analogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal fill\u003c\/td\u003e\n\u003ctd\u003e10mg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurity\u003c\/td\u003e\n\u003ctd\u003eCOA — ≥98% by HPLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical form\u003c\/td\u003e\n\u003ctd\u003eLyophilised powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eWhite to off-white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumentation\u003c\/td\u003e\n\u003ctd\u003eLot-specific certificate of analysis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eStorage and handling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStore sealed at −20°C for long-term stability, protected from light and moisture. Before opening, allow the vial to equilibrate fully to ambient temperature to reduce condensation and moisture uptake. Reseal promptly and avoid repeated temperature cycling.\u003c\/p\u003e\n\u003cp\u003ePeptide content, residual water and any counterion content should be considered alongside the purity result when preparing quantitative laboratory work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupply and despatch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUK stock. Same-day despatch before 3pm, Royal Mail Tracked 24.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Selank?\u003c\/strong\u003e\u003cbr\u003eSelank is a synthetic peptide consisting of seven amino acids with the sequence Thr–Lys–Pro–Arg–Pro–Gly–Pro.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a heptapeptide?\u003c\/strong\u003e\u003cbr\u003eA heptapeptide is a peptide formed from seven amino-acid residues joined by peptide bonds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is Selank related to tuftsin?\u003c\/strong\u003e\u003cbr\u003eThe first four amino acids of Selank reproduce the tuftsin sequence Thr–Lys–Pro–Arg. Selank then adds a Pro–Gly–Pro sequence at the C-terminus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the CAS number for Selank?\u003c\/strong\u003e\u003cbr\u003e129954-34-3.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is its molecular weight?\u003c\/strong\u003e\u003cbr\u003e751.88 g\/mol for the free peptide. The supplied material may include counterions or residual water, so the lot-specific COA should be used for precise calculations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Selank supplied for human use?\u003c\/strong\u003e\u003cbr\u003eNo. It is supplied strictly for laboratory research use only and is not for human consumption, medical, veterinary or cosmetic use.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0940\/5956\/1338\/files\/Selank.jpg?v=1786982269\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Direct Peptides UK","offers":[{"title":"Default Title","offer_id":57171254542714,"sku":"Selank","price":24.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/5956\/1338\/files\/ChatGPTImageAug17_2026_04_57_27PM.png?v=1787110450","url":"https:\/\/directpeptidesuk.com\/products\/selank-10mg-lyophilised-powder","provider":"Direct Peptides UK","version":"1.0","type":"link"}