{"title":"Melanocortin Research","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOur Melanocortin Research collection features synthetic analogs of alpha-melanocyte stimulating hormone (α-MSH) studied extensively for their interactions with melanocortin receptor subtypes in laboratory settings. These compounds have been the subject of significant peer-reviewed research examining MC1R through MC5R binding affinity, downstream signaling cascades, and melanogenesis pathways in controlled cell culture environments. All compounds are research grade, third-party HPLC verified, and sold strictly for laboratory use only.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFor Research Use Only — Not for Human or Veterinary Consumption.\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"mt-1-melanotan-1-10mg","title":"MT-1 (Melanotan I) | 10mg | Single Vial | Research Grade","description":"\u003cp\u003e\u003cstrong\u003e⚠️ FOR RESEARCH USE ONLY — NOT FOR HUMAN OR VETERINARY CONSUMPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMT-1 (Melanotan I, also known as afamelanotide) is a synthetic analog of alpha-melanocyte stimulating hormone (α-MSH). It is a linear 13-amino acid peptide with a molecular weight of approximately 1646.9 g\/mol.\u003c\/p\u003e\n\u003cp\u003eLaboratory research into MT-1 has focused on its interactions with melanocortin receptor subtypes (MC1R-MC5R), particularly MC1R binding affinity and downstream signaling in cell culture models. Researchers have also studied its effects on melanogenesis pathways in pigment cell studies.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMolecular Formula: C78H111N21O19\u003c\/li\u003e\n\u003cli\u003eMolecular Weight: ~1646.9 g\/mol\u003c\/li\u003e\n\u003cli\u003eAppearance: White lyophilized powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥98% — third-party verified\u003c\/li\u003e\n\u003cli\u003eStorage: Store at -20°C, protect from light and moisture\u003c\/li\u003e\n\u003cli\u003eShelf Life: 24 months when stored properly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFor Research Use Only. Not for Human or Veterinary Consumption. This product is intended solely for in vitro laboratory research. Pep Rally Peptides LLC makes no claims regarding therapeutic or diagnostic properties.\u003c\/em\u003e\u003c\/p\u003e","brand":"Pep Rally Peptides","offers":[{"title":"10mg","offer_id":46620553576647,"sku":"PRP-MT1-10","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/2308\/0647\/files\/ChatGPTImageJun5_2026_06_26_25PM.png?v=1780702031"},{"product_id":"mt-2-melanotan-2-10mg","title":"MT-2 (Melanotan II) | 10mg | Single Vial | Research Grade","description":"\u003cp\u003e\u003cstrong\u003e⚠️ FOR RESEARCH USE ONLY — NOT FOR HUMAN OR VETERINARY CONSUMPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMT-2 (Melanotan II) is a synthetic cyclic analog of alpha-melanocyte stimulating hormone (α-MSH), consisting of 7 amino acids in a cyclic structure. With a molecular weight of approximately 1024.2 g\/mol, it is structurally distinct from the linear MT-1.\u003c\/p\u003e\n\u003cp\u003eLaboratory research into MT-2 has examined its binding affinity and selectivity across melanocortin receptor subtypes (MC1R through MC5R) in receptor binding assays. Its cyclic structure confers enhanced metabolic stability compared to linear α-MSH analogs, making it useful for receptor pharmacology research.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMolecular Formula: C50H69N15O9\u003c\/li\u003e\n\u003cli\u003eMolecular Weight: ~1024.2 g\/mol\u003c\/li\u003e\n\u003cli\u003eAppearance: White lyophilized powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥98% — third-party verified\u003c\/li\u003e\n\u003cli\u003eStorage: Store at -20°C, protect from light and moisture\u003c\/li\u003e\n\u003cli\u003eShelf Life: 24 months when stored properly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFor Research Use Only. Not for Human or Veterinary Consumption. This product is intended solely for in vitro laboratory research. Pep Rally Peptides LLC makes no claims regarding therapeutic or diagnostic properties.\u003c\/em\u003e\u003c\/p\u003e","brand":"Pep Rally Peptides","offers":[{"title":"10mg","offer_id":46620553609415,"sku":"PRP-MT2-10","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/2308\/0647\/files\/ChatGPTImageJun5_2026_06_29_37PM.png?v=1780702250"}],"url":"https:\/\/peprallypeptides.com\/collections\/melanocortin-research.oembed","provider":"Pep Rally Peptides","version":"1.0","type":"link"}