(2S,5S)-5-Benzyl-3,6-dioxo-2-piperazineacetic acid

(2S,5S)-5-苄基-3,6-二氧代-2-哌嗪乙酸

Also known as: Cyclo(-Asp-Phe), Cyclo(L-Asp-L-Phe), Aspartame Related Compound A, Aspartame Impurity 1 (Aspartame EP Impurity A), 2-[(2S,5S)-5-benzyl-3,6-dioxopiperazin-2-yl]acetic acid, 2-[(2S,5S)-3,6-dioxo-5-(phenylmethyl)piperazin-2-yl]acetic acid, (2S,5S)-3,6-Dioxo-5-(phenylmethyl)-2-piperazineacetic acid, 5-Benzyl-3,6-dioxo-2-piperazineacetic acid, MFCD00190764

(2S,5S)-5-Benzyl-3,6-dioxo-2-piperazineacetic acid (CAS 5262-10-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H14N2O4 and a molecular weight of 262.26100 g/mol. It is also known as Cyclo(-Asp-Phe), Cyclo(L-Asp-L-Phe) and Aspartame Related Compound A. Key properties include a melting point of 270-272ºC(lit.), a boiling point of 667.4ºC at 760mmHg, a density of 1.298g/cm3 and a flash point of 357.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5262-10-2

Jingsj CID

J-24408-8

Molecular Formula

C₁₃H₁₄N₂O₄

Chinese Name

(2S,5S)-5-苄基-3,6-二氧代-2-哌嗪乙酸

Molecular Weight

262.26100 g/mol

Category

Organic Acids

Last updated

8/21/2026