{"product_id":"pt-141","title":"PT-141","description":"\u003cp\u003ePT-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. PT-141 is classified as a melanocortin receptor ligand and has been investigated in melanocortin receptor pharmacology. \u003c\/p\u003e\u003cp\u003eSupplied as one individual 10 mg vial. Each purchase quantity refers to one individual vial, not a supplier box.\u003c\/p\u003e\u003cp\u003eChemical identifiers refer to the stated reference form; salt counterions can change formula weight. Follow the supplied material’s documentation for storage and handling. Cited research is not a batch analysis of this product.\u003c\/p\u003e\u003cp\u003eFor laboratory research use only. Not for human or animal use.\u003c\/p\u003e\u003ch3\u003eResearch and chemical references\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/PT-141\"\u003ePT-141\/bremelanotide chemical identity\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"The Rejuvenation Health Lab","offers":[{"title":"Default Title","offer_id":44235052122148,"sku":"100042","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/7328\/7972\/files\/PepCard_PT10.png?v=1789146520","url":"https:\/\/rejuvenationhealthlab.com\/products\/pt-141","provider":"The Rejuvenation Health Lab","version":"1.0","type":"link"}