Fexofenadine HCl :

CAS Number : 138452-21-8
Specifications : USP/EP/BP/IP
Classicification : Anti-histamine
     

Structure:


Chemical formula: C32H40Cl NO4


Chemical name:

a, a Dimethyl -[4-[1-hydroxy-4-[4-(hydroxy-diphenyl- methyl)-1-piperidyl] butyl]phenyl] -2- methyl-propanoic acid hydrochloride.


Category
Anti - histamine

 

Base patent:
DE 3007498, (A. A. Carr)
US 4254129, (1980, 1981 both to Richardson-Morrell)

. Patented products available for R & D use only and are permitted under 35 USC 271(e).
. Patent products cannot be offered to the countries where patent law is in force. Final responsibility lies with the buyer
  exclusively

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