2,5-Dimethyl-4-nitropyridine 1-oxide

2,5-二甲基-4-硝基吡啶1-氧化物

Also known as: 2,5-Dimethyl-4-nitropyridine N-oxide, 2,5-Dimethyl-4-nitropyridin-1-ium-1-olate, 2,5-Dimethyl-4-nitro-1-oxidopyridin-1-ium, 2,5-Dimethyl-4-nitropyridin-N-oxid, 4-Nitro-2,5-dimethylpyridine-N-oxide, Pyridine, 2,5-dimethyl-4-nitro-, 1-oxide, Tetroxoprim Impurity 10, 2,5-Lutidine, 4-nitro-, 1-oxide

2,5-Dimethyl-4-nitropyridine 1-oxide (CAS 21816-42-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O3 and a molecular weight of 168.15000 g/mol. It is also known as 2,5-Dimethyl-4-nitropyridine N-oxide, 2,5-Dimethyl-4-nitropyridin-1-ium-1-olate and 2,5-Dimethyl-4-nitro-1-oxidopyridin-1-ium. Key properties include a boiling point of 393.8ºC at 760mmHg, a density of 1.3g/cm3 and a flash point of 191.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

21816-42-2

Jingsj CID

J-1146003-5

Molecular Formula

C₇H₈N₂O₃

Chinese Name

2,5-二甲基-4-硝基吡啶1-氧化物

Molecular Weight

168.15000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026