Oxytocin is a peptide hormone and neuropeptide. Oxytocin is also used as a medication to facilitate childbirth. Oxytocin is normally produced by the paraventricular nucleus of the hypothalamus and released by the posterior pituitary.
Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH₃CO)₂O. Commonly abbreviated Ac₂O, it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis