M 2630 (OTTO) Methylglyoxal 1,1-dimethyl acetal, 97% Cas 6342-56-9 - used in the synthesis of methylglyoxal via hydrolysis in the presence of H2SO4. M 2630 (OTTO) Methylglyoxal 1,1-dimethyl acetal, 97% Cas 6342-56-9 - used to investigate the effects of methylglyoxal-mediated glycation on the structure, thermal stability and enzyme activity of yeast enolase in vivo.