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· · COA & SDS available for every product · Same-day shipping on in-stock items 6-Methyluracil - ≥98% , CAS No.626-48-2
Synonyms
2,4(1H,3H)-Pyrimidinedione, 6-methyl- | Methacyl | STL426163 | 6-methylpyrimidine-2,4-diol | InChI=1/C5H6N2O2/c1-3-2-4(8)7-5(9)6-3/h2H,1H3,(H2,6,7,8,9 | AKOS000120980 | DTXCID9030880 | Metacyl | 4-Methyl-2.6-dioxypyrimidin | STL283926 | NSC9456 | NSC-9456
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Why this grade ≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
2, 4(1H, 3H)-Pyrimidinedione, 6-methyl- | Methacyl | STL426163 | 6-methylpyrimidine-2, 4-diol | InChI=1/C5H6N2O2/c1-3-2-4(8)7-5(9)6-3/h2H, 1H3, (H2, 6, 7, 8, 9 | AKOS000120980 | DTXCID9030880 | Metacyl | 4-Methyl-2.6-dioxypyrimidin | STL283926 | NSC9456 | NSC-9456
Specifications & Purity
≥98%
Names and Identifiers Pubchem Sid 488181605 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488181605 Canonical Smiles CC1=CC(=O)NC(=O)N1 IUPAC Name 6-methyl-1H-pyrimidine-2,4-dione InChIKey SHVCSCWHWMSGTE-UHFFFAOYSA-N INCHI 1S/C5H6N2O2/c1-3-2-4(8)7-5(9)6-3/h2H,1H3,(H2,6,7,8,9) Isomeric SMILES CC1=CC(=O)NC(=O)N1 WGK Germany 3 RTECS YR0700000 Molecular Weight 126.11 Beilstein 115647 Reaxy-Rn 115647 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=115647&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification 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 Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solubility Solubility in hot Water almost transparency Sensitivity Moisture sensitive. Melt Point(°C) 317-320℃ Molecular Weight 126.110 g/mol XLogP3 -0.800 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 2 Rotatable Bond Count 0 Exact Mass 126.043 Da Monoisotopic Mass 126.043 Da Topological Polar Surface Area 58.200 Ų Heavy Atom Count 9 Formal Charge 0 Complexity 195.000 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
Citations of This Product References 1. Yuwei Wu, Shumin Zhu, Yangtao Wu, Lingjun Bu, Shiqing Zhou, Naiyun Gao, Wenhai Chu. (2026) Amide heterocyclic disinfection byproducts with overlooked disinfectant capacity during chlorination. WATER RESEARCH, [PMID:41633113 ] [10.1016/j.watres.2026.125459 ]
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