Tiacrilast

硫克司特

Also known as: (E)-3-(6-(Methylthio)-4-oxo-3(4H)-quinazolinyl)-2-propenoic acid, (E)-3-(6-methylsulfanyl-4-oxoquinazolin-3-yl)prop-2-enoic acid, (E)-3-[6-(Methylthio)-4-oxo-3(4H)-quinazolinyl]propenoic acid, (E)-3-[6-(Methylthio)-4-oxoquinazolin-3(4H)-yl]propenoic acid, 2-Propenoic acid, 3-[6-(methylthio)-4-oxo-3(4H)-quinazolinyl]-, (2E)-, Ro 223747, Ro-22-3747

Tiacrilast (CAS 78299-53-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O3S and a molecular weight of 262.28400 g/mol. It is also known as (E)-3-(6-(Methylthio)-4-oxo-3(4H)-quinazolinyl)-2-propenoic acid, (E)-3-(6-methylsulfanyl-4-oxoquinazolin-3-yl)prop-2-enoic acid and (E)-3-[6-(Methylthio)-4-oxo-3(4H)-quinazolinyl]propenoic acid. Key properties include a boiling point of 499.3ºC at 760 mmHg, a density of 1.38g/cm3 and a flash point of 255.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 78299-53-3
Jingsj CID: J-1310442-5
Molecular Formula: C₁₂H₁₀N₂O₃S
Chinese Name: 硫克司特
Molecular Weight: 262.28400 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	499.3ºC at 760 mmHg
Density	1.38g/cm3
Flash Point	255.8ºC

Frequently Asked Questions

What is the CAS number of Tiacrilast?

The CAS number of Tiacrilast is 78299-53-3.

What are the molecular formula and molecular weight of Tiacrilast?

Tiacrilast has molecular formula C12H10N2O3S and molecular weight 262.28400 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. "Tiacrilast (CAS 78299-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310442-5 (accessed 2026-10-25).

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