4-(2-(4-((1-(4-fluorobenzyl)-1H-benzo[d]imidazol-2-yl)amino)piperidin-1-yl)ethyl)phenol-D4
O-Desmethylastemizole-d4 is a fully characterized chemical compound used as a reference standard of API Astemizole. The standard offered is compliant with regulatory guidelines. O-Desmethylastemizole-d4 is used for analytical method development, method validation (AMV), and Quality Controlled (QC) applications during synthesis and formulation stages of drug development and serves as a reference standard for traceability against pharmacopeial standards (USP or EP). Axios Research products are intended for analytical purposes only and are not for human use. CAS - 73736-50-2 (non-labelled)