2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid

Also known as: 2-Phenylthiazole-4,5-dicarboxylic acid, 4,5-Thiazoledicarboxylic acid, 2-phenyl-, 2-Phenyl-thiazol-4,5-dicarbonsaeure, 2-phenyl-thiazole-4,5-dicarboxylic acid

2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid (CAS 38707-83-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H7NO4S and a molecular weight of 249.24300 g/mol. Key properties include a boiling point of 526.056ºC at 760 mmHg, a density of 1.534g/cm3 and a flash point of 271.949ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38707-83-4
Jingsj CID: J-1503879-6
Molecular Formula: C₁₁H₇NO₄S
Molecular Weight: 249.24300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	526.056ºC at 760 mmHg
Density	1.534g/cm3
Flash Point	271.949ºC
Exact Mass	249.01000
PSA	115.73000
LogP	2.20650
Refractive Index	1.677

Customs & Trade Information

HS Code	2934100090
Summary	2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid?

The CAS number of 2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid is 38707-83-4.

What are the molecular formula and molecular weight of 2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid?

2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid has molecular formula C11H7NO4S and molecular weight 249.24300 g/mol.

What are the upstream and downstream products of 2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid?

For 2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid, Upstream Products: Thiobenzamide; Downstream Products: 2-Phenylthiazole-4-carboxylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Phenyl-1,3-thiazole-4,5-dicarboxylic acid (CAS 38707-83-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503879-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.