Alytesin Description A neuropeptide isolated from amphibian skin that stimulates gastric acid secretion, intestinal contraction and hypertension in dogs. See our other Neuropeptides Specifications Cas No. 31078-12-3 Product ID A4498 Product Name Alytesin Formula Wt. 1535.8 Store Temp +4oC References Anastasi et. al. Experientia. 27:166-7 (1971).