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4-(4-Methoxyphenyl)thiazole-2-carboxylic acid

Also known as: 2-Thiazolecarboxylic acid, 4-(4-methoxyphenyl)-, 4-(4-Methoxyphenyl)-1,3-thiazole-2-carboxylic acid, JR-14109, 4-(4-Methoxyphenyl)thiazole-2-carboxylic acid, 97%

4-(4-Methoxyphenyl)thiazole-2-carboxylic acid (CAS 123971-42-6) 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123971-42-6
Jingsj CID
J-1389300-0
Molecular Formula
C11H9NO3S
Molecular Weight
235.25900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass235.03000
PSA87.66000
LogP2.51690

Customs & Trade Information

HS Code2934100090
Summary2934100090 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 4-(4-Methoxyphenyl)thiazole-2-carboxylic acid?

The CAS number of 4-(4-Methoxyphenyl)thiazole-2-carboxylic acid is 123971-42-6.

What are the molecular formula and molecular weight of 4-(4-Methoxyphenyl)thiazole-2-carboxylic acid?

4-(4-Methoxyphenyl)thiazole-2-carboxylic acid has molecular formula C11H9NO3S and molecular weight 235.25900 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(4-Methoxyphenyl)thiazole-2-carboxylic acid (CAS 123971-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1389300-0 (accessed 2026-11-09).

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