1-(3-Chlorophenylamino)-4-phenylphthalazine Greenish-yellow solid. A cell-permeable, selective inhibitor of cGMP-specific phosphodiesterase (PDE V; IC50 = 600 nM). Purity: ≥98% by TLC. CAS 78351-75-4. Ref.: Akamatsu, N., et al. 1993. J. Neuroendocrinol. 5, 517. Durate, I.D., et al. 1990. Eur. J. Pharmacol. 186, 289. Hagiwara, M., et al. 1989. J. Pharmacol. Exp. Ther. 228, 467. R: 36/37/38; S: 26-36 |