Phosphonic acid, [5-chloro-2-[(4-ethylphenyl)ethynyl]phenyl]-, monoethylester is a chemical compound registered under CAS number 639517-08-1, with the molecular formula C18H18ClO3P and a molecular weight of about 348.76 g/mol. NewsChem supplies Phosphonic acid, [5-chloro-2-[(4-ethylphenyl)ethynyl]phenyl]-, monoethylester for laboratory research and bulk production; product code 1235296. Send an inquiry for purity, packaging, price and lead time.