Hydroxyzine Hydrochloride-impurities | Pharmaffiliates

hydroxyzine hydrochloride

A drug that belongs to diphenylmethane and piperazine class, Hydroxyzine is a first generation antihistamine drug. A potent H1 receptor inverse agonist, it also shows antipsychotic and antianxiety effects. It is also used as a tranquilizer. Reference standards of Hydroxyzine Hydrochloride API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

PA 08 21000

Hydroxyzine Hydrochloride - API


  • Catalogue No.:PA 08 21000

  • CAS :

    2192-20-3

  • Molecular Formula : C21H29Cl3N2O2

  • Molecular Weight : 447.83

PA 08 21020

Hydroxyzine Hydrochloride - Impurity B


  • Catalogue No.:PA 08 21020

  • CAS :

    13073-96-6

  • Molecular Formula : C21H30Cl2N2O2

  • Molecular Weight : 413.38

PA 08 21510

Hydroxyzine O-Acetyl Impurity


  • Catalogue No.:PA 08 21510

  • CAS :

    NA

  • Molecular Formula : C23H29ClN2O3

  • Molecular Weight : 416.94

PA 08 21520

2-(2-{4-[(4-Chlorophenyl)-phenylmethyl]-1-oxido-piperazin-1-yl}ethoxy) Ethanol


  • Catalogue No.:PA 08 21520

  • CAS :

    NA

  • Molecular Formula : C21H27ClN2O3

  • Molecular Weight : 390.9

PA 08 21011

Hydroxyzine Hydrochloride - Impurity A (Dihydrochloride Salt)


  • Catalogue No.:PA 08 21011

  • CAS :

    NA

  • Molecular Formula : C17H21Cl3N2

  • Molecular Weight : 359.72

PA 08 0210021

Hydroxyzine Hydrochloride - Impurity B (Free base)


  • Catalogue No.:PA 08 0210021

  • CAS :

     3733-63-9 

  • Molecular Formula : C21H28N2O2

  • Molecular Weight : 340.47

PA 08 0211000

Hydroxyzine pamoate


  • Catalogue No.:PA 08 0211000

  • CAS :

    10246-75-0

  • Molecular Formula : C44H43ClN2O8

  • Molecular Weight : 763.28

PA 08 0211001

2-(2-((2-(((4-chlorophenyl)(phenyl)methyl)amino)ethyl)amino)ethoxy)ethan-1-ol


  • Catalogue No.:PA 08 0211001

  • CAS :

    2518402-06-5

  • Molecular Formula : C19H25ClN2O2

  • Molecular Weight : 348.87