Atriopeptin III Description An analogue of atrial natriuretic peptide that inhibits carotid body chemoreceptor nerve activity induced by hypoxia. Specifications Product ID A7072 Product Name Atriopeptin III Formula Wt. 2549.85 Store Temp +4oC References He L, Dinger B, Fidone S. Am J Physiol Cell Physiol. 278: C845-852 (2000).