Pyridine-3-carbaldehyde
# Pyridine-3-carbaldehyde

Pyridine-3-carbaldehyde, also known as nicotinaldehyde, is an organic compound with the formula $C_5H_4NCHO.$ It is one of three isomeric pyridinaldehydes. The other isomers are pyridine-2-carboxaldehyde and pyridine-4-carboxaldehyde. It is a colorless liquid that is routinely available commercially. It can be produced from nicotinonitrile. Alternatively, it arises by the aerobic oxidation of the corresponding alcohol.

## Safety

3-Pyridinecarboxaldehyde is a severe skin irritant.

