Also available in 1 mg, 5 mg, 10 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. Vasopressin acetate is a peptide hormone with vasoconstrictive and antidiuretic activities that binds to the vascular arginine vasopressin receptor, V1, with Kd values of 1.31 and 1.44 nM in A7r5 rat aortic smooth muscle cells and neonatal rat cardiomyocytes, respectively Purity 100%