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1,3-Dimethyluracil is a pyrimidine derivative. Stability of the C6-centered carbanions derived from 1,3-dimethyluracil has been investigated in the gas phase and in DMSO and water solutions. The excited state structural dynamics of 1,3-dimethyluracil (DMU) in water and acetonitrile has been studied by resonance Raman spectroscopy. Crystal structure of 1,3-dimethyluracil has been reported. Ultraviolet irradiation of aqueous 1,3-dimethyluracil results in hydration of the 5:6 double bond of the uracil ring to form 1,3-dimethyl-6-oxy-hydrouracil.
1,3-Dimethyluracil is suitable reagent used to investigate the steady-state absorption and fluorescence spectra of uracil derivatives.It may be used in the preparation of 2,6-dihydroxynicotinamide.
| Pubchem Sid | 488184480 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488184480 |
| Canonical Smiles | CN1C=CC(=O)N(C1=O)C |
| IUPAC Name | 1,3-dimethylpyrimidine-2,4-dione |
| InChIKey | JSDBKAHWADVXFU-UHFFFAOYSA-N |
| INCHI | 1S/C6H8N2O2/c1-7-4-3-5(9)8(2)6(7)10/h3-4H,1-2H3 |
| Isomeric SMILES | CN1C=CC(=O)N(C1=O)C |
| WGK Germany | 3 |
| Molecular Weight | 140.14 |
| Beilstein | 124074 |
| Reaxy-Rn | 124074 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=124074&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Diazines |
| Subclass | Pyrimidines and pyrimidine derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyrimidones |
| Alternative Parents | Hydropyrimidines Vinylogous amides Heteroaromatic compounds Ureas Lactams Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyrimidone - Hydropyrimidine - Heteroaromatic compound - Vinylogous amide - Urea - Lactam - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyrimidones. These are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. |
| External Descriptors | pyrimidone |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Dec 10, 2025 | D124271 | |
| Certificate of Analysis | Dec 10, 2025 | D124271 | |
| Certificate of Analysis | Dec 10, 2025 | D124271 | |
| Certificate of Analysis | Dec 10, 2025 | D124271 | |
| Certificate of Analysis | Dec 15, 2023 | D124271 | |
| Certificate of Analysis | Feb 09, 2022 | D124271 | |
| Certificate of Analysis | Feb 09, 2022 | D124271 | |
| Certificate of Analysis | Feb 09, 2022 | D124271 |
| Melt Point(°C) | 119-122°C |
|---|---|
| Molecular Weight | 140.140 g/mol |
| XLogP3 | -0.500 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 140.059 Da |
| Monoisotopic Mass | 140.059 Da |
| Topological Polar Surface Area | 40.600 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 210.000 |
| 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 |