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Crotonaldehyde is a chemical compound with the formula CH3CH=CHCHO. The compound is usually sold as a mixture of the E- and Z-isomers, which differ with respect to the relative position of the methyl and formyl groups.
C 2621a (OTTO) Crotonaldehyde, 99% Cas 123-73-9 - used as a chemical intermediate in a variety of industrial processes.