4-Methoxy-2-methyl-5-nitropyrimidine CAS 25624-67-3
| CAS No. | 25624-67-3 |
| Molecular Formula | C6H7N3O3 |
| Molecular Weight | 169.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Methoxy-2-methyl-5-nitropyrimidine is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Methoxy-2-methyl-5-nitropyrimidine (CAS 25624-67-3), a certified reference material (molecular formula C6H7N3O3, MW 169.14 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H7N3O3, 4-Methoxy-2-methyl-5-nitropyrimidine contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 169.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Methoxy-2-methyl-5-nitropyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H7N3O3 |
| Molecular Weight | 169.14 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
Related Methoxy Standards
- 4-Methoxy-5-nitropyridin-2-amine (CAS 1187732-74-6)
- 5-Methoxy-3-nitropyridin-2-amine (CAS 1935255-61-0)
- 3-Methoxy-3-(trifluoromethyl)cyclobutan-1-amine (CAS 2375267-83-5)
- 3-Methoxy-5-nitropyridin-2-amine (CAS 896161-12-9)
- 6-Methoxy-2-nitropyridin-3-amine (CAS 85868-32-2)
- 5-Methoxy-4-oxo-1,4-dihydropyridine-2-carboxylic acid (CAS 103878-37-1)
- 5-Methoxy-6-oxo-1,6-dihydropyridine-2-carboxylic acid (CAS 112750-29-5)
- 4-Methoxy-6-oxo-1,6-dihydropyridine-2-carboxylic acid (CAS 1393532-27-8)
Recommended Standards
- 4-isocyanatobenzene-1,2-dicarbonitrile (CAS 342617-80-5)
- 5-((Hydroxy(imino)methyl)amino)-3-methylisoxazole-4-carboxylic acid (CAS 664372-05-8)
- 4-Imino-3-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 857410-86-7)
- 5,6-Dihydroxy-2-methylpyrimidine-4-carboxamide (CAS 954240-97-2)
- tert-Butyl 4-amino-1-benzyl-2-thia-1,8-diazaspiro[4.5]dec-3-ene-8-carboxylate 2,2-dioxide (CAS 1255574-63-0)
- Methyl (1R,3S,5S)-rel-6-oxabicyclo[3.1.0]hexane-3-carboxylate (CAS 86885-57-6)
- 2-Butyl-piperazine (CAS 90203-03-5)
- 3-phenyl-1,3-diazinane-2,4-dione (CAS 5100-31-2)
- Dibenzyl 1-(4-(methoxycarbonyl)phenyl)-2-methylhydrazine-1,2-dicarboxylate (CAS 1415560-10-9)
- 2-((2,6-Dichlorobenzyl)thio)-5-(pyrazin-2-yl)-1,3,4-thiadiazole (CAS 448947-81-7)
- (4-Chloro-2-(3-hydroxypyrrolidin-1-yl)pyrimidin-5-yl)boronic acid (CAS 2225153-18-2)
- 1-(4-Ethylbenzyl)-1h-1,2,4-triazol-3-amine (CAS 1249736-09-1)
- 3-((4-Chlorophenyl)sulfonyl)-1-(4-fluorophenyl)propan-1-one (CAS 868255-93-0)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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