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4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole

4-(4-异氰酸苯基)-2-甲基-1,3-噻唑

Also known as: 4-(2-Methyl-1,3-thiazol-4-yl)phenyl isocyanate, 4-(4-isocyanatophenyl)-2-methylthiazole, Thiazole, 4-(4-isocyanatophenyl)-2-methyl-

4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole (CAS 857283-94-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N2OS and a molecular weight of 216.25900 g/mol. It is also known as 4-(2-Methyl-1,3-thiazol-4-yl)phenyl isocyanate, 4-(4-isocyanatophenyl)-2-methylthiazole and Thiazole, 4-(4-isocyanatophenyl)-2-methyl-. Key properties include a melting point of 80-81.5ºC, a boiling point of 347ºC at 760 mmHg, a density of 1.25g/cm3 and a flash point of 163.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
857283-94-4
Jingsj CID
J-1014347-0
Molecular Formula
C11H8N2OS
Chinese Name
4-(4-异氰酸苯基)-2-甲基-1,3-噻唑
Molecular Weight
216.25900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point80-81.5ºC
Boiling Point347ºC at 760 mmHg
Density1.25g/cm3
Flash Point163.7ºC

Frequently Asked Questions

What is the CAS number of 4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole?

The CAS number of 4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole is 857283-94-4.

What are the molecular formula and molecular weight of 4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole?

4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole has molecular formula C11H8N2OS and molecular weight 216.25900 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(4-isocyanatophenyl)-2-methyl-1,3-thiazole (CAS 857283-94-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1014347-0 (accessed 2026-10-23).

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