5-Fluoro-2-methoxypyridine 1-oxide

5-氟-2-甲氧基吡啶 N-氧化物

Also known as: 5-FLUORO-2-METHOXYPYRIDINE N-OXIDE, 5-fluoro-2-methoxypyridine N-oxide, 5-fluoro-2-methoxypyridine 1-oxide, 5-fluoro-2-methoxy-1-oxidopyridin-1-ium, 2-Methoxy-5-fluorpyridin-N-oxid, 2,5-methoxyfluoropyridine N-oxide, Pyridine, 5-fluoro-2-methoxy-, 1-oxide, Pyridine,5-fluoro-2-methoxy-,1-oxide, QC-1164, Fampridine Impurity 73, Fampridine Impurity 92

5-Fluoro-2-methoxypyridine 1-oxide (CAS 51173-07-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6FNO2 and a molecular weight of 143.116 g/mol. It is also known as 5-FLUORO-2-METHOXYPYRIDINE N-OXIDE, 5-fluoro-2-methoxypyridine N-oxide and 5-fluoro-2-methoxypyridine 1-oxide. Key properties include a boiling point of 329.5±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 153.1±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51173-07-0
Jingsj CID
J-858481-4
Molecular Formula
C6H6FNO2
Chinese Name
5-氟-2-甲氧基吡啶 N-氧化物
Molecular Weight
143.116 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point329.5±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point153.1±22.3 °C

Frequently Asked Questions

What is the CAS number of 5-Fluoro-2-methoxypyridine 1-oxide?

The CAS number of 5-Fluoro-2-methoxypyridine 1-oxide is 51173-07-0.

What are the molecular formula and molecular weight of 5-Fluoro-2-methoxypyridine 1-oxide?

5-Fluoro-2-methoxypyridine 1-oxide has molecular formula C6H6FNO2 and molecular weight 143.116 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Fluoro-2-methoxypyridine 1-oxide (CAS 51173-07-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-858481-4 (accessed 2026-10-22).

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