4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid

对克利西丁-对氨基苯磺酸偶合剂

Also known as: p-[(4-amino-5-methoxy-o-tolyl)azo]benzenesulfonic acid, 2-Methoxy-5-methyl-4-[(4-sulfophenyl)azo]aniline, Benzenesulfonic acid, 4-[(4-amino-5-methoxy-2-methylphenyl)azo]-, 4-[(E)-(4-Amino-5-methoxy-2-methylphenyl)diazenyl]benzenesulfonic acid

4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid (CAS 40947-69-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H15N3O4S and a molecular weight of 321.352 g/mol. It is also known as p-[(4-amino-5-methoxy-o-tolyl)azo]benzenesulfonic acid, 2-Methoxy-5-methyl-4-[(4-sulfophenyl)azo]aniline and Benzenesulfonic acid, 4-[(4-amino-5-methoxy-2-methylphenyl)azo]-. Key property: a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40947-69-1
Jingsj CID
J-1089476-5
Molecular Formula
C14H15N3O4S
Chinese Name
对克利西丁-对氨基苯磺酸偶合剂
Molecular Weight
321.352 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.4±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid?

The CAS number of 4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid is 40947-69-1.

What are the molecular formula and molecular weight of 4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid?

4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid has molecular formula C14H15N3O4S and molecular weight 321.352 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-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid (CAS 40947-69-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089476-5 (accessed 2026-10-22).

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