Goserelin is a synthetic decapeptide GnRH agonist formulated with a D-serine(tBu) substitution and an azaglycine C-terminal modification, providing high receptor potency and slow-release behavior in research formulations. Its depot profile is examined in studies of sustained gonadotropin suppression. The peptide is supplied as a white lyophilized powder at >=99% HPLC purity in a sealed vial. Lot-specific documentation and worldwide delivery support research programs. All items are dispatched in plain, discreet packaging to protect buyer privacy, and high-value orders may be split into multiple parcels for customs safety. Delivery times to most destinations range from a few days to two weeks depending on the region and courier selected.