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4-Acetamido-2-methylbenzoic acid

4-乙酰氨基-2-甲基苯甲酸

Also known as: 4-Acetamido-o-toluic acid, 4-Acetylamino-2-methylbenzoic acid, N-acetyl-4-amino-2-methyl-benzoic acid, Afatinib Impurity 158, Benzoic acid, 4-(acetylamino)-2-methyl-, o-Toluic acid, 4-acetamido- (6CI), RARECHEM AL BO 1473, MFCD02258874

4-Acetamido-2-methylbenzoic acid (CAS 103204-69-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H11NO3 and a molecular weight of 193.19900 g/mol. It is also known as 4-Acetamido-o-toluic acid, 4-Acetylamino-2-methylbenzoic acid and N-acetyl-4-amino-2-methyl-benzoic acid. Key properties include a melting point of 237-242ºC(lit.), a boiling point of 421.9ºC at 760mmHg, a density of 1.276g/cm3 and a flash point of 208.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103204-69-9
Jingsj CID
J-1020309-5
Molecular Formula
C10H11NO3
Chinese Name
4-乙酰氨基-2-甲基苯甲酸
Molecular Weight
193.19900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point237-242ºC(lit.)
Boiling Point421.9ºC at 760mmHg
Density1.276g/cm3
Flash Point208.9ºC

Frequently Asked Questions

What is the CAS number of 4-Acetamido-2-methylbenzoic acid?

The CAS number of 4-Acetamido-2-methylbenzoic acid is 103204-69-9.

What are the molecular formula and molecular weight of 4-Acetamido-2-methylbenzoic acid?

4-Acetamido-2-methylbenzoic acid has molecular formula C10H11NO3 and molecular weight 193.19900 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Acetamido-2-methylbenzoic acid (CAS 103204-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1020309-5 (accessed 2026-10-22).

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