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Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate

Also known as: 1-Methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid methyl ester, 1,2-Dihydro-4-methoxycarbonyl-1-methyl-2-oxopyridin, 4-Methoxycarbonyl-1-methyl-2(1H)-pyridone, 4-Pyridinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo-, methyl ester, methyl 1-methyl-2-oxo-1,2-dihydro-4-pyridinecarboxylate, methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate, methyl 1-methyl-2-oxo-pyridine-4-carboxylate, methyl 1-methyl-2-oxopyridine-4-carboxylate

Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 20845-23-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3 and a molecular weight of 167.16200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20845-23-2
Jingsj CID
J-998810-7
Molecular Formula
C8H9NO3
Molecular Weight
167.16200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass167.05800
PSA48.30000
LogP0.17190

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate?

The CAS number of Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate is 20845-23-2.

What are the molecular formula and molecular weight of Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate?

Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate has molecular formula C8H9NO3 and molecular weight 167.16200 g/mol.

What are the upstream and downstream products of Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate?

For Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate, Upstream Products: 1-Methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid, iodomethane, 2-Hydroxyisonicotinic acid; Downstream Products: 1-Methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid, Methanol, 2-Oxo-1,2-dihydropyridine-4-carboxylic acid hydrazide.

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

Last updated:

How to cite: Jingsj. "Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 20845-23-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-998810-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.