We are offering loratadine. Formula c22h23cln2o2 mol. Mass 382.88 g/mol smiles emolecules & pubchem pharmacokinetic data bioavailability n/a due to extensive first-pass metabolism metabolism hepatic half life 8 hours (metabolites 12-24 hours) excretion 40% as conjugated metabolites into urine similar amount into the feces therapeutic considerations pregnancy cat