Sub Group: Research Compounds Catalog Number: 8220 Formula: C21H25ClN2O3 CAS Number: 130018-76-7 Molecular Weight: 388.89 Synonyms: (S)-[2-[4-[(4-Chlorophenyl)-phenylmethyl]-1-piperazinyl]ethoxy]acetic Acid(+)-CetirizineDextrocetirizine