{"product_id":"pt-141","title":"PT-141","description":"PT-141 (bremelanotide) is a synthetic cyclic heptapeptide belonging to the melanocortin peptide family. It was derived from the research compound Melanotan II and first described in the early 2000s. The molecule features a lactam bridge — a cyclic bond between amino acid side chains — that constrains it into a ring shape. It has the molecular formula C50H68N14O10, a weight of 1,025.2 g\/mol, and CAS number 189691-06-3. Classified as a melanocortin receptor ligand, it is structurally related to compounds in the MC1R through MC5R family. Supplied as a white to off-white lyophilized powder, soluble in water. This product is strictly for research purposes only.","brand":"Kingdom Research","offers":[{"title":"10mg","offer_id":43147930173649,"sku":null,"price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/9655\/9313\/files\/KRLABEL_PT1.jpg?v=1781237717","url":"https:\/\/kingdom-research.com\/products\/pt-141","provider":"Kingdom Research","version":"1.0","type":"link"}