5-Methyl-2-(p-tolyl)-[1,2,4]triazolo[1,5-a]pyrimidine 1-oxide CAS 54215-27-9
| CAS No. | 54215-27-9 |
| Molecular Formula | C13H12N4O |
| Molecular Weight | 240.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H12N4O, 5-Methyl-2-(p-tolyl)-[1,2,4]triazolo[1,5-a]pyrimidine 1-oxide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.26 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.
CATO supplies 5-Methyl-2-(p-tolyl)-[1,2,4]triazolo[1,5-a]pyrimidine 1-oxide (CAS 54215-27-9), a certified reference material (molecular formula C13H12N4O, MW 240.26 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H12N4O |
| Molecular Weight | 240.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 5-Ethoxy-1-phenyl-1H-pyrazolo[3,4-b]pyrazine (CAS 87595-13-9)
- 5-Methyl-3-phenyl-N-(prop-2-yn-1-yl)isoxazole-4-carboxamide (CAS 923804-34-6)
- 5-Benzooxazol-2-yl-2-methoxy-phenylamine (CAS 378222-48-1)
- 5-Methyl-5-(1-naphthalenyl)-2,4-imidazolidinedione (CAS 82752-67-8)
- 6-Amino-4-(4-(4-methoxyphenyl)piperazin-1-yl)-1-(p-tolyl)pyrimidin-2(1H)-one (CAS 338956-31-3)
- n-(5-Chloro-2-methylphenyl)-2-((cyclobutylmethyl)amino)acetamide (CAS 1154379-11-9)
- 6-Butoxy-2-methylpyridine-3-boronic acid (CAS 2096339-72-7)
- Diphenyl Methylphosphonate (CAS 7526-26-3)
- 2,4-Dibromo-3-nitropyridine (CAS 121263-10-3)
- 5-(2-Methoxyethoxy)pyridine-3-carboxylic acid (CAS 1343658-77-4)
- BIs-trityl-peg13 (CAS 2010151-26-3)
- 1-amino-1,10-dioxo-5,8,14,17-tetraoxa-2,11-diazanonadecan-19-oic acid (CAS CATO-C3D-262302)
- 2-Thioxo-3-o-tolyl-thiazolidin-4-one (CAS 23522-37-4)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
Why CATO?
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