(S)-2-Hydroxy-2-(4-methoxyphenyl)acetic acid

(S)-2-羟基-2-(4-甲氧基苯基)乙酸

Also known as: L-4-Methoxymandelic acid, (2S)-2-Hydroxy-2-(4-methoxyphenyl)acetic acid, Benzeneacetic acid, α-hydroxy-4-methoxy-, (αS)-, (S)-4-Methoxymandelic acid, Hydroxy(4-methoxyphenyl)acetic acid, p-Methoxymandelic acid

(S)-2-Hydroxy-2-(4-methoxyphenyl)acetic acid (CAS 75172-66-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. It is also known as L-4-Methoxymandelic acid, (2S)-2-Hydroxy-2-(4-methoxyphenyl)acetic acid and Benzeneacetic acid, α-hydroxy-4-methoxy-, (αS)-. Key properties include a melting point of 105-106ºC, a boiling point of 370.4±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 152.6±18.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

75172-66-6

Jingsj CID

J-1507126-2

Molecular Formula

C₉H₁₀O₄

Chinese Name

(S)-2-羟基-2-(4-甲氧基苯基)乙酸

Molecular Weight

182.173 g/mol

Category

Organic Acids

Last updated

8/21/2026