4-Pyridinecarboxaldehyde N-oxide

4-吡啶醛 N-氧化物

Also known as: 4-Pyridinecarbaldehyde 1-oxide, 4-formylpyridine N-oxide, Isonicotinaldehyde 1-oxide, 1-oxidopyridin-1-ium-4-carbaldehyde, 1-oxy-4-pyridinecarboxaldehyde, pyridine-4-carbaldehyde-1-oxide, pyridine-4-carboxaldehyde-N-oxide, pyridine-N-oxide-4-carbaldehyde, Donepezil Impurity 24, Donepezil Impurity 27, EINECS 230-602-0, MFCD00167384

4-Pyridinecarboxaldehyde N-oxide (CAS 7216-42-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5NO2 and a molecular weight of 123.10900 g/mol. It is also known as 4-Pyridinecarbaldehyde 1-oxide, 4-formylpyridine N-oxide and Isonicotinaldehyde 1-oxide. Key properties include a melting point of 150-152ºC(lit.), a boiling point of 367.7ºC at 760 mmHg, a density of 1.16 g/cm3 and a flash point of 176.2ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

7216-42-4

Jingsj CID

J-13552-6

Molecular Formula

C₆H₅NO₂

Chinese Name

4-吡啶醛 N-氧化物

Molecular Weight

123.10900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026