Ampicillin Impurity K

氨苄西林杂质K

Also known as: (2R)-2-(2,2-dimethylpropanoylamino)-2-phenylacetic acid, (R)-2-Phenyl-2-pivalamidoacetic acid, (2R)-[(2,2-Dimethylpropanoyl)amino](phenyl)acetic acid, Ampicillin EP Impurity K, Ampicillin Impurity 11, Ampicillin Sodium EP Impurity K, Ampicillin Sodium Impurity K, Benzeneacetic acid, α-[(2,2-dimethyl-1-oxopropyl)amino]-, (R)- (9CI), Benzeneacetic acid, α-[(2,2-dimethyl-1-oxopropyl)amino]-, (αR)-, Imp. K (EP), UNII-G88PE39NQO

Ampicillin Impurity K (CAS 40610-41-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H17NO3 and a molecular weight of 235.279 g/mol. It is also known as (2R)-2-(2,2-dimethylpropanoylamino)-2-phenylacetic acid, (R)-2-Phenyl-2-pivalamidoacetic acid and (2R)-[(2,2-Dimethylpropanoyl)amino](phenyl)acetic acid. Key properties include a boiling point of 441.5±38.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 220.8±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40610-41-1

Jingsj CID

J-1168928-5

Molecular Formula

C₁₃H₁₇NO₃

Chinese Name

氨苄西林杂质K

Molecular Weight

235.279 g/mol

Category

Organic Compounds

Last updated

8/21/2026