Ethyl 2-chloro-3-methylisonicotinate

2-氯-3-甲基异烟酸乙酯

Also known as: ethyl 2-chloro-3-methylpyridine-4-carboxylate, 2-chloro-3-methyl-isonicotinic acid ethyl ester, 4-pyridinecarboxylic acid, 2-chloro-3-methyl-, ethyl ester, 2-chloro-3-methylpyridine-4-carboxylic acid ethyl ester

Ethyl 2-chloro-3-methylisonicotinate (CAS 301666-92-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10ClNO2 and a molecular weight of 199.634 g/mol. It is also known as ethyl 2-chloro-3-methylpyridine-4-carboxylate, 2-chloro-3-methyl-isonicotinic acid ethyl ester and 4-pyridinecarboxylic acid, 2-chloro-3-methyl-, ethyl ester. Key properties include a boiling point of 282.3±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 124.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 301666-92-2
Jingsj CID: J-1432386-7
Molecular Formula: C₉H₁₀ClNO₂
Chinese Name: 2-氯-3-甲基异烟酸乙酯
Molecular Weight: 199.634 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	282.3±35.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	124.5±25.9 °C

Frequently Asked Questions

What is the CAS number of Ethyl 2-chloro-3-methylisonicotinate?

The CAS number of Ethyl 2-chloro-3-methylisonicotinate is 301666-92-2.

What are the molecular formula and molecular weight of Ethyl 2-chloro-3-methylisonicotinate?

Ethyl 2-chloro-3-methylisonicotinate has molecular formula C9H10ClNO2 and molecular weight 199.634 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ethyl 2-chloro-3-methylisonicotinate (CAS 301666-92-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1432386-7 (accessed 2026-10-25).

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