RS 39604 HCl is a potent and selective 5-HT4 antagonist, with a pKi of 9.1 at 5-HT4 receptors in guinea pig striatal membranes and greater than 1000-fold selectivity over 5-HT1A, 2C, 3 and D1, D2, M1, M2, AT1, B1 and α1C receptors. References: Hegde SS, Bonhaus DW, Johnson LG, Leung E, Clark RD, Eglen RM. RS 39604: a potent, selective and orally active 5-HT4 receptor antagonist. Br J Pharmacol. 1995 Jul;115(6):1087-95. PubMed PMID: 7582507; PubMed Central PMCID: PMC1908997.

纯度：≥98%

CAS：167710-87-4