| Item | Specifications |
| Product Name | Melanotan II |
| Appearance | White freeze-dried powder |
| Purity | 98%min |
| Boiling point | 1265.3ºC at 760 mmHg |
| Density | 1.27 g/cm3 |
| Refractive index | 1.638 |
| Single Impurity (HPLC) | 1.0%max |
| Amino Acid Composition | ±10% of theoretical |
| Peptide Content (N%) | ≥80.0% |
| Water Content(Karl Fischer) | ≤6.0% |
| Acetate Content (HPIC) | ≤12.0% |
| MS(ESI) | Consistent |
| Mass Balance | 95.0~105.0% |