Specification
| Molecule | Melanotan II (MT-2, Melanotan 2 Acetate) |
| Sequence | Ac-Nle-cyclo(-Asp-His-D-Phe-Arg-Trp-Lys-)-NH2 |
| CAS | 121062-08-6 |
| Molecular weight | 1.024 kDa |
| Form | Lyophilized powder |
| Strength per vial | 10 mg |
| Box contents | 10 vials of identical strength |
| Purity | ≥99 % (HPLC) |
Mechanism of action
Melanotan II is a cyclic melanocortin analog whose lactam-bridged ring structure distinguishes it from linear peptides. In the scientific literature it is described in cell culture models of pigmentation biology, where melanocortin receptor interactions and the regulation of melanin formation at the cellular level are investigated. As a defined reference peptide, it supports the setup of comparable experimental series in which receptor interaction, signal transduction and the melanin content of cultured cells are recorded. Researchers who buy Melanotan 2 use this 10-vial kit as a defined reference for in-vitro work.
Reconstitution and handling
The lyophilizate is reconstituted in the laboratory only immediately before use with a suitable sterile solvent. The resulting solution is then processed promptly and protected from direct light throughout handling. Volume and concentration details follow from the experimental plan of the performing institution; this data sheet contains no specifications on that point. Clean working conditions, calibrated pipettes and processing within a single experimental series support reproducible results.
In-vitro research
In vitro research reports positive findings for Melanotan II in cell culture models of pigmentation biology and in studies of melanocortin receptors. Typical approaches use melanocyte cultures in which melanin synthesis, tyrosinase activity and downstream signalling pathways are recorded. Its defined purity and per-batch testing make the cyclic analog a reproducible reference point for comparison series and positive controls in controlled experimental setups.
Quality and analytics
Every batch is tested for purity by HPLC and reaches at least ≥99 %. A complementary identity test confirms the cyclic structure of the melanocortin analog. Analytics are performed per batch and apply uniformly to all vials in a box; results are documented for each batch. Deviations from the specified values would be reviewed before a batch is released.