methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate

甲基3-氰基-2-羟基-6,7-二氢-5H-环戊并[b]吡啶-4-羧酸酯

Also known as: 1H-Cyclopenta[b]pyridine-4-carboxylic acid, 3-cyano-2,5,6,7-tetrahydro-2-oxo-, methyl ester, Methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate, Methyl 3-cyano-2-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridine-4-carboxylate, methyl 2-oxo-5,6-trimethylene-3-cyano-1,2-dihydropyridine-4-carboxylate, methyl3-cyano-2-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridine-4-carboxylate

methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate (CAS 1043878-21-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O3 and a molecular weight of 218.209 g/mol. It is also known as 1H-Cyclopenta[b]pyridine-4-carboxylic acid, 3-cyano-2,5,6,7-tetrahydro-2-oxo-, methyl ester, Methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate and Methyl 3-cyano-2-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridine-4-carboxylate. Key properties include a boiling point of 519.9±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 268.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1043878-21-2
Jingsj CID
J-1527024-1
Molecular Formula
C11H10N2O3
Chinese Name
甲基3-氰基-2-羟基-6,7-二氢-5H-环戊并[b]吡啶-4-羧酸酯
Molecular Weight
218.209 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point519.9±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point268.2±30.1 °C

Frequently Asked Questions

What is the CAS number of methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate?

The CAS number of methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate is 1043878-21-2.

What are the molecular formula and molecular weight of methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate?

methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate has molecular formula C11H10N2O3 and molecular weight 218.209 g/mol.

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

Last updated:

How to cite: Jingsj. "methyl 3-cyano-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-4-carboxylate (CAS 1043878-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527024-1 (accessed 2026-10-26).

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