Determine the necessary mass, volume, or concentration for preparing a solution.
10mM in DMSO for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -80°C Ships Dry ice packs + Cold packs Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
General description:
1,5,5-Trimethylhydantoin (TMH) is a 1,5,5-trisubstituted hydantoin. Its mass spectrum has been recorded and analyzed. The density of TMH is 1.1318g/ml at 25°C.
application:
1,5,5-Trimethylhydantoin (1,5,5-Trimethyl-imidazolidine-2,4-dione) may be used to synthesize 3-bromomethyl-1,5,5-trimethylimidazolid-ine-2,4-dione.
Reactant for:
Z-selective hydroamidation of terminal alkynes with secondary amides and imides
Selective inhibitors of hepatitis C virus NS3 serine protease
Stereoselective addition of imides to alkynes
Reactant for synthesis of:
Selective angiotensin II AT2 receptor agonists with reduced CYP 450 inhibition
N-chlorohydantoins
P2X7 receptor antagonists
| Sonrisas canónicas | CC1(C(=O)NC(=O)N1C)C |
|---|---|
| IUPAC Name | 1,5,5-trimethylimidazolidine-2,4-dione |
| InChIKey | ZNYIPTYJBRGSSL-UHFFFAOYSA-N |
| INCHI | 1S/C6H10N2O2/c1-6(2)4(9)7-5(10)8(6)3/h1-3H3,(H,7,9,10) |
| Isómeros SMILES | CC1(C(=O)NC(=O)N1C)C |
| WGK Alemania | 3 |
| PubChem CID | 81295 |
| Peso molecular | 142.16 |
| Beilstein | 24(5)5,352 |
| Reaxy-Rn | 120651 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Clase | Azolidines |
| Subclass | Imidazolidines |
| Intermediate Tree Nodes | Imidazolidinones - Imidazolidinediones |
| Direct Parent | Hydantoins |
| Alternative Parents | Alpha amino acids and derivatives N-acyl ureas Dicarboximides Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic heteromonocyclic compounds |
| Substituents | Hydantoin - Alpha-amino acid or derivatives - N-acyl urea - Ureide - Dicarboximide - Urea - Carbonic acid derivative - Carboxylic acid derivative - Azacycle - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Aliphatic heteromonocyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as hydantoins. These are heterocyclic compounds containing an imidazolidine substituted by ketone group at positions 2 and 4. |
| External Descriptors | Not available |
| Punto de fusión (°C) | 161-164°C |
|---|---|
| Peso molecular | 142.160 g/mol |
| XLogP3 | -0.300 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 142.074 Da |
| Monoisotopic Mass | 142.074 Da |
| Topological Polar Surface Area | 49.400 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 198.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Jing Wang, Haijun Bi, Mengru Li, Hui Wang, Manman Xue, Jieyao Yu, Chi-Tang Ho, Liang Zhang, Qinglin Zhuo, Jiadao Jiang, Xiaochun Wan, Xiaoting Zhai. (2023) Contribution of theanine to the temperature-induced changes in aroma profile of Wuyi rock tea. FOOD RESEARCH INTERNATIONAL, [PMID:37254434] [10.1016/j.foodres.2023.112860] |
| 2. Xiao Tu, Jiaxin Hu, Jinghao Peng, Qihan Chen, Yangle Zhao, Zemao Gu. (2025) Discovery of thymoquinone analogues with high anthelmintic activity against monogenean infections in goldfish (Carassius auratus). VETERINARY PARASITOLOGY, [PMID:39837239] [10.1016/j.vetpar.2025.110401] |