Chlorpheniramine and Methaboric Intermediates
Chlorpheniramine and methaboric intermediates were analyzed using ORpak 
CDBS-453 
(a column for chiral separation).
 
  
  
  Sample : 
  1. 
Chlorpheniramine
  2. 
Monodesmethyl-chlorpheniramine
  3. 
Didesmethyl-chlorpheniramine
  
Column       : Shodex ORpak CDBS-453 (4.6mmID*150mm)
Eluent       : 10% CH3CN 90% (1.0% CH3COOH + 0.2M NaCl) in H2O
Flow rate    : 0.5mL/min
Detector     : UV(254nm)
Column temp. : 30deg-C
Courtesy of Dr. Sakurai, Tohoku Cllage of Pharmacy