Description:
Melanotan II is a synthetic cyclic peptide analog of alpha-melanocyte-stimulating hormone (α-MSH) studied in laboratory research for its interaction with melanocortin receptors, including MC1R, MC3R, MC4R, and MC5R. It is commonly utilized in experimental models focused on receptor signaling, peptide-receptor binding dynamics, and melanocortin system activity. Researchers study Melanotan II in controlled environments to better understand neuropeptide signaling and receptor selectivity. This product is supplied as a lyophilized (powder) material for stability and requires reconstitution prior to laboratory use.
Chemical Information:
Molecular Formula: C₅₀H₆₉N₁₅O₉
Molecular Weight: 1024.2 g/mol
CAS Number: 121062-08-6
Product Care:
Store in a cool, dry place away from light. Lyophilized (powder) peptides should be stored frozen at −20 °C to −80 °C (−4 °F to −112 °F) for long-term stability. Once reconstituted, store refrigerated between 2 °C and 8 °C (36 °F to 46 °F). Avoid repeated freeze/thaw cycles to maintain integrity.
Product Note:
All products are supplied in lyophilized (powder) form and must be reconstituted prior to use in laboratory research and testing. We do not provide dosing instructions. All peptides are intended strictly for research use only and are not for human or animal consumption. By purchasing, you agree to all applicable terms and conditions. Guardian Peptides is a U.S.-based biotechnology supplier providing high-quality materials to support scientific research.




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