≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
5,6-Dihydro-5-methyluracil (Dihydrothymine), an intermediate breakdown product of thymine, comes from animal or plants. 5,6-Dihydro-5-methyluracil (Dihydrothymine) can be toxic when present at abnormally high levels.
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 |
| Classe | Diazines |
| Subclass | Pyrimidines and pyrimidine derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Hydropyrimidines |
| Alternative Parents | Propargyl-type 1,3-dipolar organic compounds Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aliphatic heteromonocyclic compounds |
| Substituents | 5,6-dihydropyrimidine - Hydropyrimidine - Azacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aliphatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as hydropyrimidines. These are compounds containing a hydrogenated pyrimidine ring (i.e. containing less than the maximum number of double bonds.). |
| External Descriptors | a base derivative - a pyrimidine-related compound |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Article |
|---|---|---|---|
 D2328151 | Certificate of Analysis | Feb 05, 2026 | D304423 |
| D2328176 | Certificate of Analysis | Feb 05, 2026 | D304423 |
| E2304077 | Certificate of Analysis | Feb 05, 2026 | D304423 |
| C2329914 | Certificate of Analysis | Jan 26, 2026 | D304423 |
| C2329917 | Certificate of Analysis | Jan 19, 2026 | D304423 |
| H2511246 | Certificate of Analysis | Jul 16, 2025 | D304423 |
| H2511247 | Certificate of Analysis | Jul 16, 2025 | D304423 |
| H2520713 | Certificate of Analysis | Jul 16, 2025 | D304423 |
| D2328158 | Certificate of Analysis | Apr 01, 2023 | D304423 |
| E2304071 | Certificate of Analysis | Apr 01, 2023 | D304423 |
| E2304086 | Certificate of Analysis | Apr 01, 2023 | D304423 |
| C2330019 | Certificate of Analysis | Mar 03, 2023 | D304423 |
| C2330028 | Certificate of Analysis | Mar 03, 2023 | D304423 |
| Solubilité | Soluble in dimethyl sulfoxide |
|---|---|
| Sensibilité | Moisture sensitive |
| Point de fusion (°C) | 263-265℃ |
| Poids moléculaire | 128.130 g/mol |
| XLogP3 | -0.600 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 128.059 Da |
| Monoisotopic Mass | 128.059 Da |
| Topological Polar Surface Area | 58.200 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 155.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
