| Bioactivity | 1,5,5-Trimethylhydantoin (TMH) is a non-isotopic internal standard (IS)[1]. |
| Name | 1,5,5-Trimethylhydantoin |
| CAS | 6851-81-6 |
| Formula | C6H10N2O2 |
| Molar Mass | 142.16 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, stored under nitrogen *In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen) |
| 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. |