 
						| Synonyms | Cetirizine S Isomer, (S)-Cetirizine DiHydrochloride | 
|---|---|
| Chemical Name | (S)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride | 
| CAS No | 163837-48-7, 130018-76-7 (base) | 
| Molecular Formula | C21H27Cl3N2O3 | 
| Molecular Weight | 461.81 | 
 Cetirizine S Isomer
 Cetirizine S Isomer