5-Hydroxy-2-methylpyrimidine-4,6(1H,5H)-dione CAS 412003-89-5
| CAS No. | 412003-89-5 |
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Hydroxy-2-methylpyrimidine-4,6(1H,5H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
5-Hydroxy-2-methylpyrimidine-4,6(1H,5H)-dione (CAS 412003-89-5), molecular formula C5H6N2O3 and molecular weight 142.11 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-Hydroxy-2-methylpyrimidine-4,6(1H,5H)-dione is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 142.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- Methyl 1-hydroxy-1H-pyrazole-4-carboxylate (CAS 108435-77-4)
- 5-Hydroxy-2-(hydroxymethyl)pyrimidin-4(1H)-one (CAS 120491-07-8)
- 5-Hydroxy-1-methyl-1h-pyrazole-4-carboxylic acid (CAS 1255352-25-0)
- 4-Hydroxy-3-methyl-1h-pyrazole-5-carboxylic acid (CAS 1346270-06-1)
- 2-(5-Hydroxy-1H-imidazol-2-yl)acetic acid (CAS 1368879-81-5)
- 5-hydroxy-1-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 15585-47-4)
- 6-Hydroxy-2-methoxy-4(3H)-pyrimidone (CAS 1758-98-1)
- Methyl 5-hydroxy-2-furancarboxylate (CAS 1824438-04-1)
Recommended Standards
- 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid, 97% (CAS 58364-97-9)
- 5-Methoxy-1H-pyrazole-3-carboxylic acid (CAS 881693-06-7)
- 5-Ethyl-1,3,4-oxadiazole-2-carboxylic acid (CAS 944898-04-8)
- 5-Methoxyfuran-2-carboxylic Acid (CAS 94084-62-5)
- Topotecan Hydrochloride (CAS 119413-54-6)
- Methyl 5-bromo-2,4-dichlorobenzoate (CAS 1305712-91-7)
- 5-[4-Carboxy-2-[[1,3-dioxo-3-[4-[(1-oxooctadecyl)-amino]phenyl]propyl]amino]phenoxy]isophthalicacid (CAS 17725-27-8)
- 5-Bromo-2-methyl-6-((pyridin-3-ylmethyl)amino)pyrimidin-4(1H)-one (CAS 105805-96-7)
- Ethyl 1-((4,5-dichloro-2-nitrophenyl)sulfonyl)-1H-pyrrole-2-carboxylate (CAS 173908-14-0)
- Salicylideneamino-2-thiophenol [Spectrophotometric reagent for Tin and other transition metals] (CAS 3449-05-6)
- 4-Bromo-3-methylphenyl pivalate (CAS 1204517-73-6)
- 2-((2-Chlorobenzyl)thio)benzoic acid (CAS 440347-30-8)
- 1380572-59-7 3-[2-(4-Benzyloxy-phenyl)-2-oxo-ethylidene]-7-bromo-3,4-dihydro-1H-quinoxalin-2-one (CAS 1380572-59-7)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com