M 2611 (OTTO) Methyl 3-bromopropionate, 97% Cas 3395-91-3 - used in the synthesis of spiroanellated γ-lactones, pinacols and unprecedented 3-(1-hydroxycycloalkyl)-l-oxaspiro[n,m]alkan-2-ones. It can react with 2-Methyl-1H-benzoimidazole to get 1-(2-Methoxycarbonylethyl)-2-methylbenzimidazole.