TCI C0891 3-Cyanopropionaldehyde Dimethyl Acetal (CAS 14618-78-1) is a bifunctional building block combining a nitrile group with a dimethyl acetal-protected aldehyde. The acetal keeps the carbonyl masked during basic or nucleophilic steps, allowing chemists to elaborate the nitrile first and unmask the aldehyde later under acidic hydrolysis. This orthogonal reactivity makes it convenient for constructing functionalized carbon chains and nitrogen heterocycles. Supplied by AMI Scientific in a 25 mL pack, it should be stored tightly closed in a cool, dry place away from moisture and strong acids.
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