Melanotan 2 Infor Melanotan 2 (MT2)Melanotan-II CAS:121062-08-6 Purity (by HPLC):99.00% Appearance:White Powder CAS Number:121062-08-6 Sequence:Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-NH2 Molecular Formula:C50H69N15O9 Molecular weight:1024.2 What is Melanotan 2 ? Melanotan 2 Tanning Injections (otherwise known as MT2) was first synthesized at the University of Arizona. Researches there knew that onc of the best defenses against skin cancer was melanin activated in the skin, a tan. …