4-(Methylsulfonyl)phenylacetic acid

4-甲磺酰基苯乙酸

Also known as: 4-Methylsulphonylphenylacetic acid, 4-Mesylphenylacetic acid, 2-(4-methylsulfonylphenyl)acetic acid, 2-[4-(methylsulfonyl)phenyl]acetic acid, 4-(Methanesulfonyl)phenylacetic acid, Benzeneacetic acid, 4-(methylsulfonyl)-, Etoricoxib Impurity 3, MFCD00216495

4-(Methylsulfonyl)phenylacetic acid (CAS 90536-66-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4S and a molecular weight of 214.238 g/mol. It is also known as 4-Methylsulphonylphenylacetic acid, 4-Mesylphenylacetic acid and 2-(4-methylsulfonylphenyl)acetic acid. Key properties include a melting point of 136-140 °C(lit.), a boiling point of 443.0±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 221.7±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

90536-66-6

Jingsj CID

J-1438586-5

Molecular Formula

C₉H₁₀O₄S

Chinese Name

4-甲磺酰基苯乙酸

Molecular Weight

214.238 g/mol

Category

Organic Acids

Last updated

8/21/2026