(E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid

(E)-2-羟基-4-(苯基二氮烯基)苯甲酸

Also known as: Benzoic acid, 2-hydroxy-4-(2-phenyldiazenyl)-, Mesalazine Impurity 04

(E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid (CAS 40038-46-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H10N2O3 and a molecular weight of 242.23 g/mol. It is also known as Benzoic acid, 2-hydroxy-4-(2-phenyldiazenyl)- and Mesalazine Impurity 04. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40038-46-8
Jingsj CID: J-164743-5
Molecular Formula: C₁₃H₁₀N₂O₃
Chinese Name: (E)-2-羟基-4-(苯基二氮烯基)苯甲酸
Molecular Weight: 242.23 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid?

The CAS number of (E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid is 40038-46-8.

What are the molecular formula and molecular weight of (E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid?

(E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid has molecular formula C13H10N2O3 and molecular weight 242.23 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid (CAS 40038-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-164743-5 (accessed 2026-10-25).

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