(2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-phenylacetic acid

(R)-(-)-α-[[(4-乙基-2,3-二氧-1-哌嗪基)羰基]氨基]苯乙酸

Also known as: (R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic acid, (R)-(-)-alpha-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid, (R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetic acid, D(-)-2-[[(4-Ethyl-2,3-dioxopiperazinyl)carbonyl]amino]-2-phenyl acetic acid, D-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic acid, Piperacillin Impurity 7, EPCP

(2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-phenylacetic acid (CAS 63422-71-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H17N3O5 and a molecular weight of 319.31300 g/mol. It is also known as (R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic acid, (R)-(-)-alpha-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid and (R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetic acid. Key properties include a melting point of 171 °C (dec.)(lit.) and a density of 1.377 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

63422-71-9

Jingsj CID

J-27436-2

Molecular Formula

C₁₅H₁₇N₃O₅

Chinese Name

(R)-(-)-α-[[(4-乙基-2,3-二氧-1-哌嗪基)羰基]氨基]苯乙酸

Molecular Weight

319.31300 g/mol

Category

Organic Acids

Last updated

8/21/2026