Melanotan II is a synthetic cyclic melanocortin peptide analog developed from alpha-MSH-related sequence motifs. Its ring-constrained structure differentiates it from linear melanocortin peptides and makes it useful for studying how conformational restriction influences receptor binding, selectivity, and peptide stability.
The material should be presented as a cyclic peptide research ligand for analytical and non-clinical receptor studies. The scientifically relevant features are its defined cyclic architecture, stereochemical composition, receptor-binding behavior, and analytical identity—not consumer outcomes associated with melanocortin signaling.
Scientific / Analytical Profile
- Class: synthetic cyclic melanocortin peptide analog
- Key structural feature: conformationally constrained cyclic/lactam peptide architecture
- Research systems: melanocortin receptor binding, selectivity, and signaling assays
- Analytical focus: intact mass, cyclization integrity, stereochemical identity, purity, and degradation
- Use limitation: controlled laboratory research only
Batch-specific identity, purity, and analytical results should be confirmed against the applicable Certificate of Analysis and lot documentation.
Research Use Only. This material is intended solely for controlled laboratory, analytical, and scientific research. It is not for human or veterinary use or administration, diagnosis, treatment, prevention, cosmetic use, food use, or personal use.







