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3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile

3-甲磺酰基-5-(2-噻吩)异噁唑-4-甲腈

Also known as: 3-(METHYLSULFONYL)-5-(2-THIENYL)ISOXAZOLE-4-CARBONITRILE, 4-Isoxazolecarbonitrile, 3-(methylsulfonyl)-5-(2-thienyl)-, HMS1440F10, 3-methylsulfonyl-5-thiophen-2-yl-1,2-oxazole-4-carbonitrile

3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile (CAS 499771-08-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6N2O3S2 and a molecular weight of 254.28600 g/mol. It is also known as 3-(METHYLSULFONYL)-5-(2-THIENYL)ISOXAZOLE-4-CARBONITRILE, 4-Isoxazolecarbonitrile, 3-(methylsulfonyl)-5-(2-thienyl)- and HMS1440F10. Key properties include a melting point of 167ºC, a boiling point of 594.8ºC at 760 mmHg, a density of 1.57g/cm3 and a flash point of 313.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
499771-08-3
Jingsj CID
J-1359771-3
Molecular Formula
C9H6N2O3S2
Chinese Name
3-甲磺酰基-5-(2-噻吩)异噁唑-4-甲腈
Molecular Weight
254.28600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167ºC
Boiling Point594.8ºC at 760 mmHg
Density1.57g/cm3
Flash Point313.5ºC

Frequently Asked Questions

What is the CAS number of 3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile?

The CAS number of 3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile is 499771-08-3.

What are the molecular formula and molecular weight of 3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile?

3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile has molecular formula C9H6N2O3S2 and molecular weight 254.28600 g/mol.

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

Last updated:

How to cite: Jingsj. "3-(methylsulfonyl)-5-(2-thienyl)isoxazole-4-carbonitrile (CAS 499771-08-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359771-3 (accessed 2026-10-25).

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