5-Ethyl-2-methyl-4-nitropyridine 1-oxide

5-乙基-2-甲基-4-硝基吡啶 1-氧化物

Also known as: 4-Nitro-5-ethyl-2-methylpyridine N-oxide, 5-Ethyl-2-methyl-4-nitropyridin-N-oxid, 5-Ethyl-2-methyl-4-nitro-1-oxidopyridin-1-ium, 5-Ethyl-2-methyl-4-nitropyridine-1-oxide, Pyridine, 5-ethyl-2-methyl-4-nitro-, 1-oxide

5-Ethyl-2-methyl-4-nitropyridine 1-oxide (CAS 1131-20-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O3 and a molecular weight of 182.17700 g/mol. It is also known as 4-Nitro-5-ethyl-2-methylpyridine N-oxide, 5-Ethyl-2-methyl-4-nitropyridin-N-oxid and 5-Ethyl-2-methyl-4-nitro-1-oxidopyridin-1-ium. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1131-20-0
Jingsj CID: J-1162614-1
Molecular Formula: C₈H₁₀N₂O₃
Chinese Name: 5-乙基-2-甲基-4-硝基吡啶 1-氧化物
Molecular Weight: 182.17700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Ethyl-2-methyl-4-nitropyridine 1-oxide?

The CAS number of 5-Ethyl-2-methyl-4-nitropyridine 1-oxide is 1131-20-0.

What are the molecular formula and molecular weight of 5-Ethyl-2-methyl-4-nitropyridine 1-oxide?

5-Ethyl-2-methyl-4-nitropyridine 1-oxide has molecular formula C8H10N2O3 and molecular weight 182.17700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-Ethyl-2-methyl-4-nitropyridine 1-oxide (CAS 1131-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1162614-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.