Labelled 7-Methoxy-1-naphthaldehyde (M321070). One of the two highly fluorogenic aldehydes, 7-Methoxy-1-naphthaldehyde (MONAL-71) and 6-Methoxy-2-naphthaldehyde (MONAL-62), as indicators of the aldehy
de dehydrogenase (ALDH) activity in human tissue homogenates and accessible body fluids.