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4-[[(4-methoxyphenyl)amino]sulfonyl]benzoic acid

Also known as: 4-(4-METHOXY-PHENYLSULFAMOYL)-BENZOIC ACID, 4-(N-(4-methoxyphenyl)sulfamoyl)benzoic acid, 4-[(4-methoxyphenyl)sulfamoyl]benzoic acid, Benzoic acid, 4-[[(4-methoxyphenyl)amino]sulfonyl]-

4-[[(4-methoxyphenyl)amino]sulfonyl]benzoic acid (CAS 18738-58-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H13NO5S and a molecular weight of 307.32200 g/mol. Key properties include a boiling point of 515.6ºC at 760mmHg, a density of 1.428g/cm3 and a flash point of 265.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18738-58-4
Jingsj CID
J-1166846-5
Molecular Formula
C14H13NO5S
Molecular Weight
307.32200 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point515.6ºC at 760mmHg
Density1.428g/cm3
Flash Point265.6ºC
Exact Mass307.05100
PSA101.08000
LogP3.34800
Vapor Pressure1.87E-11mmHg at 25°C

Customs & Trade Information

HS Code2935009090
Summary2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of 4-[[(4-methoxyphenyl)amino]sulfonyl]benzoic acid?

The CAS number of 4-[[(4-methoxyphenyl)amino]sulfonyl]benzoic acid is 18738-58-4.

What are the molecular formula and molecular weight of 4-[[(4-methoxyphenyl)amino]sulfonyl]benzoic acid?

4-[[(4-methoxyphenyl)amino]sulfonyl]benzoic acid has molecular formula C14H13NO5S and molecular weight 307.32200 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)amino]sulfonyl]benzoic acid (CAS 18738-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1166846-5 (accessed 2026-11-09).

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