4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile
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. 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-1983250-9
- Molecular Formula
- C7H6N2O2
- Molecular Weight
- 150.135 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 293ºC |
|---|---|
| Boiling Point | 421.8±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 208.9±28.7 °C |
| Exact Mass | 150.042923 |
| PSA | 65.88000 |
| LogP | -0.88 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.547 |
Activity & Biological Data
| Additional Information | [1]. Skurský L, Burleson D, Waller GR. Interconversion of ricinine and n-demethylricinine in senescent and green castor plant leaves. J Biol Chem. 1969 Jun 25;244(12):3238-42. |
|---|
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.
What are the upstream and downstream products of 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile?
For 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile, Upstream Products: 2-[(2E)-3-(Dimethylamino)-1-methoxy-2-propen-1-ylidene]malononitrile, 2-Amino-4-methoxynicotinonitrile; Downstream Products: 2-Chloro-4-methoxynicotinonitrile, 2,4-Dichloropyridine-3-carbonitrile, Ricinine.
Data compiled from public chemical databases such as PubChem 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-1983250-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.