Synonyms: Allantoin or Glyoxyldiureide or 5-Ureidohydantoin CAS Number: 97-59-6, Molecular Weight: 158.12, Chemical Formula: C4H6N4O3, EINECS EC Number: 202-592-8, FEMA: ----, Allantoin or Glyoxyldiureide or 5-Ureidohydantoin is safe, non-toxic, compatible with cosmetic raw...