CTR05H: Cetirizine EP Impurity E

CTR05H: Cetirizine EP Impurity E

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Hydroxyzine Acetic Acid Dihydrochloride ;

(RS)-2-[2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] ethoxy] acetic acid dihydrochloride ;

CAS # 682323-77-9 (base) ; 83881-56-5 (2 HCl) ;

C23H29ClN2O4 (base) ; MW: 432.94 ;

C23H31Cl3N2O4 (2 HCl salt) ; MW: 505.86 ;

Supplied as dihydrochloride salt ;