1-(5-Methyl-2-(pyridin-4-yl)oxazol-4-yl)ethanone CAS 674785-91-2
| CAS No. | 674785-91-2 |
| Molecular Formula | C11H10N2O2 |
| Molecular Weight | 202.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(5-Methyl-2-(pyridin-4-yl)oxazol-4-yl)ethanone (CAS 674785-91-2), molecular formula C11H10N2O2 and molecular weight 202.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(5-Methyl-2-(pyridin-4-yl)oxazol-4-yl)ethanone (C11H10N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 202.21 g/mol, it falls into the medium-molecular-weight range. 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.
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 | C11H10N2O2 |
| Molecular Weight | 202.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- n-(Pyridin-2-ylmethyl)-1h-imidazole-1-carboxamide (CAS 1087788-33-7)
- 2-Methyl-5-(pyridin-4-yl)-1H-pyrrole-3-carboxylic acid (CAS 1248408-55-0)
- Methyl 4-(pyridin-2-yl)-1H-pyrrole-3-carboxylate (CAS 1260892-95-2)
- n-(Pyridin-4-ylmethyl)-1h-imidazole-1-carboxamide (CAS 149047-33-6)
- n-(Pyridin-3-ylmethyl)-1h-imidazole-1-carboxamide (CAS 149047-35-8)
- Methyl 4-(pyridin-3-yl)-1H-pyrrole-3-carboxylate (CAS 188524-69-8)
- 1-(pyridin-2-ylmethyl)-1H-pyrrole-2-carboxylic acid (CAS 896049-13-1)
- 1-(pyridin-3-ylmethyl)-1H-pyrrole-2-carboxylic acid (CAS 896049-17-5)
Recommended Standards
- 1-(5-(Dimethylphosphoryl)thiophen-2-yl)ethanone (CAS 2551115-78-5)
- 1-(8-Hydroxyquinolin-5-yl)guanidine (CAS 61864-91-3)
- 1-(4-Methylphenyl)-1h-pyrazole-5-carboxylic acid (CAS 72899-93-5)
- 1-(Benzofuran-2-yl)butane-1,3-dione (CAS 220009-29-0)
- 3-((((9h-Fluoren-9-yl)methoxy)carbonyl)(tert-butyl)amino)propanoic acid (CAS 1341512-96-6)
- 1,4-Dihydroquinoline-3-carbonitrile (CAS 50741-28-1)
- (1-(2-Isopropylphenyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1248961-96-7)
- 2-(4-Chlorophenyl)-3-phenylpropanoic acid (CAS 787-27-9)
- (4-Chloro-2-fluoro-3-(methoxycarbonyl)phenyl)boronic acid (CAS 1254701-01-3)
- 4,4-Dimethyl-3,4-dihydroquinazolin-2(1H)-one (CAS 28721-19-9)
- Ethyl 2-Chloro-5-methyloxazole-4-carboxylate (CAS 1144520-57-9)
- 2-Ethyl-6-methylthiomorpholine 1,1-dioxide (CAS 1489600-29-4)
- (4-Chloro-3-fluorophenyl)(furan-2-yl)methanone (CAS 1443351-86-7)
- T-Peptide (CAS 2022956-62-1)
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