Melanotan-II (MT-2) is a cyclic heptapeptide analog of alpha-MSH with potent activity at multiple melanocortin receptors, studied in pigmentation, erectile-function and appetite research. The lactam-bridged cyclic structure confers high receptor affinity and metabolic stability. The material is a white lyophilized powder at >=99% HPLC purity in a sealed vial. Batch-specific analysis, bulk pricing and reliable international delivery are offered for research use. Reconstitution with sterile water or bacteriostatic water is straightforward, and the resulting solution should be used promptly or stored according to your protocol. We regularly supply university laboratories, contract research organizations and distributors, and can provide quantity-based quotations within one business day.