1,5,5-Trimethylhydantoin

• CAT Number: I044750
• CAS Number: 6851-81-6
• Molecular Formula: C6H10N2O2
• Molecular Weight: 142.16
• Purity: ≥95%
• Synonyms: 1,5,5-trimethylimidazolidine-2,4-dione
• InChI: InChI=1S/C6H10N2O2/c1-6(2)4(9)7-5(10)8(6)3/h1-3H3,(H,7,9,10)
• InChIKey: ZNYIPTYJBRGSSL-UHFFFAOYSA-N
• SMILES: CC1(C(=O)NC(=O)N1C)C

1,5,5-Trimethylhydantoin（Cat No.:I044750）is a hydantoin derivative characterized by a five-membered imidazolidine-2,4-dione ring with three methyl groups—one at the N1 position and two at the C5 position. This compound is used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its rigid bicyclic structure and functional groups make it useful for studying structure–activity relationships and molecular interactions. Additionally, 1,5,5-trimethylhydantoin is employed in polymer modification and stabilizer development due to its thermal stability and reactivity.