BNP (1-32), human Description A brain natriuretic peptide secreted by the human heart in response to cardiac volume or pressure. Specifications Cas No. 114471-18-0 Product ID B5561 Product Name BNP (1-32), human Formula Wt. 3464.1 Store Temp +4oC References Al-Meslmani BM, Fahoum SK, Shamia MG. Clin Lab. 53: 35-9 (2007).