Description
MT-2 (also known as Melanotan II) is a synthetic cyclic heptapeptide analogue of α-MSH, cyclized through a lactam bridge between Asp and Lys, with an N-terminal acetyl group and a C-terminal amide. It is supplied as the acetate salt and is a melanocortin receptor ligand.
Specifications
- Sequence: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂
- Molecular formula: C₅₀H₆₉N₁₅O₉ (peptide free base)
- Molecular weight: 1024.18 g/mol (peptide free base)
- CAS: 121062-08-6
- Purity: 99.5% (HPLC)
- Form: 10 mg lyophilized powder, sealed vial
- Storage: −20 °C (lyophilized); 24 months
Quality documentation
A lot-specific certificate of analysis (COA) is provided for this product.




