{"product_id":"pt-141-10mg","title":"PT-141 10mg","description":"\u003cp\u003ePT-141 10mg is supplied as a lyophilised research peptide in a sealed vial. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLaboratory and analytical research only. Not for human consumption. Orders restricted to adults aged 18 or over.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePT-141 is also indexed as bremelanotide. Chemically, it is a cyclic heptapeptide derived from the melanocortin peptide family, with an N-acetylated norleucine residue and an internal lactam ring.\u003c\/p\u003e\n\u003cp\u003eSupplied as lyophilised PT-141 at a 10mg nominal fill.\u003c\/p\u003e\n\u003ch2\u003eChemical identity\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompound\u003c\/td\u003e\n\u003ctd\u003ePT-141 \/ Bremelanotide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondensed sequence\u003c\/td\u003e\n\u003ctd\u003eAc-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH, cyclised between Asp and Lys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidue count\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS number\u003c\/td\u003e\n\u003ctd\u003e189691-06-3 (free peptide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular formula\u003c\/td\u003e\n\u003ctd\u003eC₅₀H₆₈N₁₄O₁₀\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular weight\u003c\/td\u003e\n\u003ctd\u003e1025.2 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePubChem CID\u003c\/td\u003e\n\u003ctd\u003e9941379\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlso indexed as\u003c\/td\u003e\n\u003ctd\u003eBremelanotide, PT-141\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eSalt-form note: PT-141 may be supplied as an acetate or another counterion form. The molecular data above describe the free peptide; use the lot-specific certificate for the exact supplied form.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct specification\u003c\/h2\u003e\n\u003ctable style=\"width: 99.941%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.1792%;\"\u003eNominal fill\u003c\/td\u003e\n\u003ctd style=\"width: 56.5249%;\"\u003e10mg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.1792%;\"\u003ePurity\u003c\/td\u003e\n\u003ctd style=\"width: 56.5249%;\"\u003e99%+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.1792%;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.5249%;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.1792%;\"\u003ePhysical form\u003c\/td\u003e\n\u003ctd style=\"width: 56.5249%;\"\u003eLyophilised powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.1792%;\"\u003eAppearance\u003c\/td\u003e\n\u003ctd style=\"width: 56.5249%;\"\u003eWhite to off-white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.1792%;\"\u003eDocumentation\u003c\/td\u003e\n\u003ctd style=\"width: 56.5249%;\"\u003eLot-specific certificate of analysis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStorage and handling\u003c\/h2\u003e\n\u003cp\u003eStore sealed at −20°C, protected from light and moisture. Allow the vial to equilibrate to ambient temperature before opening to reduce condensation. Avoid repeated temperature cycling and refer to the lot-specific certificate for batch handling information.\u003c\/p\u003e\n\u003ch2\u003eSupply and despatch\u003c\/h2\u003e\n\u003cp\u003eWhen released for sale, UK tracked delivery is free. Paid orders for available stock placed before 3pm UK time on a working day are normally dispatched the same day. See our \u003ca href=\"\/pages\/shipping-policy\"\u003edelivery information\u003c\/a\u003e for details.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is PT-141?\u003c\/strong\u003e PT-141 is the development name commonly used for the cyclic heptapeptide bremelanotide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the CAS number?\u003c\/strong\u003e 189691-06-3 for the free peptide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is its molecular weight?\u003c\/strong\u003e 1025.2 g\/mol for the free peptide. The mass of supplied lyophilised material can also include counterions and residual water, so use the lot COA for quantitative laboratory calculations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs PT-141 supplied for human use?\u003c\/strong\u003e No. This material is supplied strictly for laboratory and analytical research and is not for human consumption, medical or veterinary use.\u003c\/p\u003e\n\u003cp\u003ePackage includes: 1 × PT-141 10mg vial.\u003c\/p\u003e\n\u003ch2\u003eTest reports and related information\u003c\/h2\u003e\n\u003cp\u003eBatch documentation will be added before this product is released for sale.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/peptide-test-certificates\"\u003ePeptide test certificates\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/faqs\"\u003eOrdering and research-use FAQs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Peptides UK","offers":[{"title":"Default Title","offer_id":57296437805434,"sku":null,"price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/5956\/1338\/files\/ChatGPTImageSep23_2026_12_04_15PM_3.png?v=1790178188","url":"https:\/\/directpeptidesuk.com\/products\/pt-141-10mg","provider":"Direct Peptides UK","version":"1.0","type":"link"}