Oxytocin is a nine-amino-acid neuropeptide hormone synthesized in the hypothalamus and released by the posterior pituitary, widely studied in neuroscience and behavioral research. It is supplied as a high-purity white lyophilized powder, >=99% by HPLC, in sealed vials for laboratory use. Oxytocin is investigated in research on social behavior, pair bonding, stress response, reproductive physiology and neuropeptide signaling, and is commonly applied in cell-based assays and preclinical neuroscience studies. The freeze-dried form ensures high stability and convenient reconstitution for reproducible experimental dosing. All lots pass strict quality verification and lot-specific certificates can be provided on request. Keep unopened material sealed at 2-8 degree C away from light and moisture; store at -20 degree C for longer periods and avoid repeated freezing. We accept small trial and large bulk orders and provide OEM, private-label and neutral discreet-packaging services with global delivery. Laboratory research use only.