which form of verapamil?

Ray Hester rhester at jaguar1.usouthal.edu
Thu Jun 7 15:15:21 EDT 2007

Can anyone tell us which one of the four forms of verapamil that 
Sigma-Aldrich offers (below) we should add to cell cultures, in which we 
are using Hoechst 33342 to stain for ploidy/cell cycle, in order to 
stop/lessen the efflux of Hoechst that occurs in some cells.

hydrochloride hydrate
monohydrochloride monohydrate
and, methoxyverapamil hydrochloride


Ray Hester
Univ of South Alabama

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