6-Hydroxy-5-methoxy-2-methylpyrimidin-4(3H)-one CAS 851985-99-4
| CAS No. | 851985-99-4 |
| Molecular Formula | C6H8N2O3 |
| Molecular Weight | 156.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Hydroxy-5-methoxy-2-methylpyrimidin-4(3H)-one (CAS 851985-99-4), molecular formula C6H8N2O3 and molecular weight 156.14 g/mol, is a CATO reference standard with documented purity and traceability.
6-Hydroxy-5-methoxy-2-methylpyrimidin-4(3H)-one (C6H8N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6-Hydroxy-5-methoxy-2-methylpyrimidin-4(3H)-one 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.
Physical & Chemical Properties
| Molecular Formula | C6H8N2O3 |
| Molecular Weight | 156.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 2-Hydroxy-2-(1-methyl-1h-pyrazol-4-yl)acetic acid (CAS 1250900-54-9)
- 3-Hydroxy-2-(1-imidazolyl)propanoic Acid (CAS 1314899-50-7)
- 1-Ethyl-5-hydroxy-1H-pyrazole-4-carboxylic acid (CAS 1365940-61-9)
- 1-ethyl-2-hydroxy-1H-imidazole-5-carboxylic acid (CAS 1368842-19-6)
- 2-Hydroxy-2-(1-methyl-1H-pyrazol-5-yl)acetic acid (CAS 1480480-82-7)
- Ethyl 4-hydroxy-1H-pyrazole-3-carboxylate (CAS 1500974-00-4)
- 4-Hydroxy-2-methyl-1,4-dihydropyrimidine-5-carboxylic acid (CAS 157335-90-5)
- 2-Hydroxy-4-methyl-1,2-dihydropyrimidine-5-carboxylic acid (CAS 157335-91-6)
Recommended Standards
- 6-Hydroxy-2-methoxy-5-methylpyrimidin-4(1H)-one (CAS 62091-86-5)
- 6-Methoxy-1-methylpyrimidine-2,4(1H,3H)-dione (CAS 36161-39-4)
- 6-Ethoxypyrimidine-2,4(1H,3H)-dione (CAS 857475-91-3)
- 7-Oxa-1,3-diazaspiro[4.4]nonane-2,4-dione (CAS 81866-98-0)
- 3-(3-Chloro-2-methylphenyl)-N'-[(1E)-(3,4-difluorophenyl)methylidene]-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 672925-68-7)
- 2-Methyl-1-oxo-1-phenylpropan-2-yl methanesulfonate (CAS 17231-17-3)
- (1S,3S)-1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylcyclopentane-1-carboxylic acid (CAS 1932259-59-0)
- 1-(3-(3,4-Dimethoxyphenyl)isoxazol-5-yl)ethanone (CAS 151671-43-1)
- Vigabatrin Impurity 6 (CAS 2512190-67-7)
- 3-(1-Aminocyclohexyl)propanoic acid hydrochloride (CAS 90950-11-1)
- 4-[(methoxycarbonyl)amino]benzoic acid (CAS 30063-17-3)
- Diethyl 4-(2-methoxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate (CAS 42972-42-9)
- Lovastatin EP Impurity C (CAS 109273-98-5)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
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