2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid

2-(4-羟基-2-苯基-1,3-噻唑-5-基)乙酸

Also known as: 2-(4-Hydroxy-2-phenylthiazol-5-yl)acetic acid, (4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid, 5-(Carboxymethyl)-2-phenyl-1,3-thiazol-4-ol, 4-Hydroxy-2-phenyl-5-thiazoleacetic acid, 5-Thiazoleacetic acid, 4-hydroxy-2-phenyl-, 2-phenyl-4-hydroxy-5-(carboxymethyl)thiazole, hydroxyphenylthiazolylacetic acid

2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid (CAS 133834-03-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO3S and a molecular weight of 235.25900 g/mol. It is also known as 2-(4-Hydroxy-2-phenylthiazol-5-yl)acetic acid, (4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid and 5-(Carboxymethyl)-2-phenyl-1,3-thiazol-4-ol. Key properties include a melting point of 196-200(dec.)ºC, a boiling point of 482.446ºC at 760 mmHg, a density of 1.441g/cm3 and a flash point of 245.575ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
133834-03-4
Jingsj CID
J-1068893-5
Molecular Formula
C11H9NO3S
Chinese Name
2-(4-羟基-2-苯基-1,3-噻唑-5-基)乙酸
Molecular Weight
235.25900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point196-200(dec.)ºC
Boiling Point482.446ºC at 760 mmHg
Density1.441g/cm3
Flash Point245.575ºC

Frequently Asked Questions

What is the CAS number of 2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid?

The CAS number of 2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid is 133834-03-4.

What are the molecular formula and molecular weight of 2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid?

2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid has molecular formula C11H9NO3S and molecular weight 235.25900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(4-Hydroxy-2-phenyl-1,3-thiazol-5-yl)acetic acid (CAS 133834-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1068893-5 (accessed 2026-10-25).

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