hydantoin

hy·dan·to·in

(hī-dan'tō-in),

2,4-Imidazolidinedione; derived from urea or from allantoin; the NH-CH₂-CO group is prototypical of α-amino acids. Hydantoin derivatives are formed by the reaction of phenylisothiocyanate or phenylisocyanate and a polypeptide.

Synonym(s): glycolylurea

Farlex Partner Medical Dictionary © Farlex 2012

hy·dan·to·in

(hī-dan'tō-in)

A crystalline heterocyclic compound derived from urea or from allantoin; the NH-CH₂-CO group is prototypical of α-amino acids.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

hydantoin

(hī-dăn′tō-ĭn)

A colorless base, glycolyl urea, C₃H₄N₂O₂, derived from urea or allantoin.

Medical Dictionary, © 2009 Farlex and Partners