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CAS Number :
97-59-6
Synonym :
5-Ureidohydantoin
Molecular Formula :
C₄H₆N₄O₃
Allantoin is an imidazolidine-2,4-dione that is 5-aminohydantoin in which a carbamoyl group is attached to the exocyclic nitrogen.Allantoin is a major metabolic intermediate in most organisms including animals, plants and bacteria.