1.0 2026-04-05 11:20:28 UTC 2026-08-22 03:06:55 UTC Ospemifene SmallMolecule Ospemifene is an organic compound with the formula C24H23ClO2 and an average molecular weight of 378.90 g/mol. Ospemifene belongs to the stilbenes, a class of phenylpropanoids and polyketides within the organic compounds. It is utilized in healthcare, pharmaceuticals, and veterinary products as a sex hormone and modulator of the genital system, with oral exposure being the recorded route. Regarding its pharmacological activity, it acts as both an agonist and antagonist of the Estrogen receptor (ESR1). C24H23ClO2 378.9 378.1386577 128607-22-7 OCCOC1=CC=C(C=C1)C(=C(\CCCl)C1=CC=CC=C1)\C1=CC=CC=C1 InChI=1S/C24H23ClO2/c25-16-15-23(19-7-3-1-4-8-19)24(20-9-5-2-6-10-20)21-11-13-22(14-12-21)27-18-17-26/h1-14,26H,15-18H2/b24-23- LUMKVTFCDUIE-VHXPQNKSSA-N Detected and Not Quantified Ospemifene Drug Metabolism Action Pathway SMP0143948 logp 5.56 average_mass 378.9 ChemAxon mono_mass 378.1386577 ChemAxon smiles OCCOC1=CC=C(C=C1)C(=C(\CCCl)C1=CC=CC=C1)\C1=CC=CC=C1 ChemAxon formula C24H23ClO2 ChemAxon inchi InChI=1S/C24H23ClO2/c25-16-15-23(19-7-3-1-4-8-19)24(20-9-5-2-6-10-20)21-11-13-22(14-12-21)27-18-17-26/h1-14,26H,15-18H2/b24-23- ChemAxon inchikey LUMKVTFCDUIE-VHXPQNKSSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7276dc6af0> DB04938 3036505 BE0000123