ethyl 5-(chloromethyl)isoxazole-3-carboxylate

5-(氯甲基)异噁唑-3-羧酸乙酯

Also known as: 3-Isoxazolecarboxylic acid, 5-(chloromethyl)-, ethyl ester, 5-(Chloromethyl)isoxazole-3-carboxylic acid ethyl ester, 5-(chloromethyl)-3-isoxazolecarboxylic acid ethyl ester, 5-chloromethyl-isoxazole-3-carboxylic acid ethyl ester, ethyl 5-(chloromethyl)-1,2-oxazole-3-carboxylate, ethyl 5-(chloromethyl)-3-isoxazolecarboxylate, ethyl 5-chloromethylisoxazole-3-carboxylate

ethyl 5-(chloromethyl)isoxazole-3-carboxylate (CAS 3209-40-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8ClNO3 and a molecular weight of 189.596 g/mol. It is also known as 3-Isoxazolecarboxylic acid, 5-(chloromethyl)-, ethyl ester, 5-(Chloromethyl)isoxazole-3-carboxylic acid ethyl ester and 5-(chloromethyl)-3-isoxazolecarboxylic acid ethyl ester. Key properties include a boiling point of 312.4±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 142.7±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3209-40-3
Jingsj CID
J-1499939-4
Molecular Formula
C7H8ClNO3
Chinese Name
5-(氯甲基)异噁唑-3-羧酸乙酯
Molecular Weight
189.596 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point312.4±32.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point142.7±25.1 °C

Frequently Asked Questions

What is the CAS number of ethyl 5-(chloromethyl)isoxazole-3-carboxylate?

The CAS number of ethyl 5-(chloromethyl)isoxazole-3-carboxylate is 3209-40-3.

What are the molecular formula and molecular weight of ethyl 5-(chloromethyl)isoxazole-3-carboxylate?

ethyl 5-(chloromethyl)isoxazole-3-carboxylate has molecular formula C7H8ClNO3 and molecular weight 189.596 g/mol.

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

Last updated:

How to cite: Jingsj. "ethyl 5-(chloromethyl)isoxazole-3-carboxylate (CAS 3209-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499939-4 (accessed 2026-10-23).

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