the method is based on the transfer of [ 14c ] beta-alanine to the pantothenate via an acyl-enzyme intermediate ( a beta-alanine-exchange reaction ) : ( formula ; see text ) although the reaction is inhibited by some compounds , the method can be used for the assay of pantothenate in many biological samples if an internal pantothenate standard is used .
C0000392
beta-alanine
C0001898
alanine