5-Ethyl-5-phenylimidazolidine-2,4-dione

5-乙基-5-苯基咪唑烷-2,4-二酮

Also known as: (±)-5-Ethyl-5-phenylhydantoin, (±)-5-Ethyl-5-phenyl-2,4-imidazolidinedione, rac N-Desmethyl Mephenytoin, 5-Ethyl-5-phenylhydantoin, Nirvanol

5-Ethyl-5-phenylimidazolidine-2,4-dione (CAS 631-07-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O2 and a molecular weight of 204.22500 g/mol. It is also known as (±)-5-Ethyl-5-phenylhydantoin, (±)-5-Ethyl-5-phenyl-2,4-imidazolidinedione and rac N-Desmethyl Mephenytoin. Key properties include a melting point of 195-200ºC and a density of 1.173 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

631-07-2

Jingsj CID

J-1010659-2

Molecular Formula

C₁₁H₁₂N₂O₂

Chinese Name

5-乙基-5-苯基咪唑烷-2,4-二酮

Molecular Weight

204.22500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026