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 (TMH) is a non-isotopic internal standard (IS)[1].

Reference

[1]. Zi-Ao Huang, et al. Application of multisegment injection on quantification of creatinine and standard addition analysis of urinary 5-hydroxyindoleacetic acid simultaneously with creatinine normalization. Electrophoresis. 2020 Feb;41(3-4):183-193.
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