≥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-Methyl-2-thiouridine (m5s2U) is a modified base found in the tRNA of certain extreme thermophiles. 5-Methyl-2-thiouridine may be used to study the physical chemical properties that confer high stability to tRNA and other nucleic acid structures.
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 | Nucleosides, nucleotides, and analogues |
| Class | Pyrimidine nucleosides |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyrimidine nucleosides |
| Alternative Parents | Glycosylamines Pentoses Pyrimidones Pyrimidinethiones 2-Thiopyrimidines Hydropyrimidines Vinylogous amides Tetrahydrofurans Heteroaromatic compounds Thioureas Secondary alcohols Lactams Oxacyclic compounds Azacyclic compounds Hydrocarbon derivatives Organic oxides Organonitrogen compounds Organopnictogen compounds Primary alcohols |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyrimidine nucleoside - Glycosyl compound - N-glycosyl compound - Pentose monosaccharide - Pyrimidinethione - Pyrimidone - 2-thiopyrimidine - Thiopyrimidine - Hydropyrimidine - Pyrimidine - Monosaccharide - Vinylogous amide - Heteroaromatic compound - Tetrahydrofuran - Secondary alcohol - Thiourea - Lactam - Oxacycle - Azacycle - Organoheterocyclic compound - Alcohol - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Primary alcohol - Organic nitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyrimidine nucleosides. These are compounds comprising a pyrimidine base attached to a ribosyl or deoxyribosyl moiety. |
| External Descriptors | thiouridine |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 C2618233 | Certificate of Analysis | Mar 31, 2026 | M350280 |
| C2309656 | Certificate of Analysis | Mar 01, 2023 | M350280 |
| C2309658 | Certificate of Analysis | Mar 01, 2023 | M350280 |
| C2309660 | Certificate of Analysis | Mar 01, 2023 | M350280 |
| C2310337 | Certificate of Analysis | Mar 01, 2023 | M350280 |
| x_melt_point_char | 216-219° C |
|---|---|
| Molecular Weight | 274.300 g/mol |
| XLogP3 | -1.000 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 2 |
| Exact Mass | 274.062 Da |
| Monoisotopic Mass | 274.062 Da |
| Topological Polar Surface Area | 134.000 Ų |
| Heavy Atom Count | 18 |
| Formal Charge | 0 |
| Complexity | 413.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 4 |
| 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 |
