4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile

4-甲氧基-2-氧代-1,2-二氢-3-氰基吡啶

Also known as: MPCN, N-Demethylricinine, N-DeMethyl Ricinine, 3-Cyano-4-methoxy-2-pyridone, 3-Cyano-4-methoxy-2-pyridinone, 4-Methoxy-2-oxo-1,2-dihydro-3-pyridinecarbonitrile, 2-Hydroxy-4-methoxypyridine-3-carbonitrile, 2-Hydroxy-3-cyano-4-methoxypyridine, 3-Cyano-2-hydroxy-4-methoxypyridine, 1,2-Dihydro-4-methoxy-2-oxo-3-pyridinecarbonitrile

4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 21642-98-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O2 and a molecular weight of 150.135 g/mol. It is also known as MPCN, N-Demethylricinine and N-DeMethyl Ricinine. Key properties include a melting point of 293ºC, a boiling point of 421.8±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 208.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21642-98-8
Jingsj CID
J-1983250-8
Molecular Formula
C7H6N2O2
Chinese Name
4-甲氧基-2-氧代-1,2-二氢-3-氰基吡啶
Molecular Weight
150.135 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point293ºC
Boiling Point421.8±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point208.9±28.7 °C

Frequently Asked Questions

What is the CAS number of 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile?

The CAS number of 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile is 21642-98-8.

What are the molecular formula and molecular weight of 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile?

4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile has molecular formula C7H6N2O2 and molecular weight 150.135 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 21642-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983250-8 (accessed 2026-10-22).

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