1-(6-Chloropyridin-2-yl)-2-(3-methylisoxazol-5-yl)ethanone CAS 1260783-70-7
| CAS No. | 1260783-70-7 |
| Molecular Formula | C11H9ClN2O2 |
| Molecular Weight | 236.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H9ClN2O2, 1-(6-Chloropyridin-2-yl)-2-(3-methylisoxazol-5-yl)ethanone contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
1-(6-Chloropyridin-2-yl)-2-(3-methylisoxazol-5-yl)ethanone (CAS 1260783-70-7), molecular formula C11H9ClN2O2 and molecular weight 236.65 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C11H9ClN2O2 |
| Molecular Weight | 236.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloropyridin Standards
- 1-(6-Chloropyridin-3-yl)-N-(furan-2-ylmethyl)-N-methylmethanamine (CAS 1155465-56-7)
- 7-(4-Chloropyridin-3-yl)-7-oxoheptanenitrile (CAS 890100-90-0)
- 2-(6-Chloropyridin-3-yl)-6-ethylpyrimidin-4(3H)-one (CAS 1258640-17-3)
- 2-(2-chloropyridin-4-yl)-5,6-dimethylpyrimidin-4(3H)-one (CAS 1258650-00-8)
- 2-(6-Chloropyridin-3-yl)-5,6-dimethyl-3,4-dihydropyrimidin-4-one (CAS 1258650-89-3)
- 1-(1-(5-Chloropyridin-2-yl)-5-methyl-1H-pyrazol-4-yl)ethan-1-one (CAS 210992-31-7)
- 6-(6-Chloropyridin-3-yl)-5,7-diazaspiro[3.4]Oct-5-en-8-one (CAS 2168912-66-9)
- 2-(6-Chloropyridin-3-yl)-4-methyl-1H-imidazole-5-carboxylic acid (CAS 1823244-41-2)
Recommended Standards
- Methyl 6-amino-4-chloroquinoline-2-carboxylate (CAS 1260758-22-2)
- 1-(4-Chlorophenyl)-5-methyl-1h-pyrazole-3-carboxylic acid (CAS 126129-22-4)
- 2-Chloro-5-(1-methyl-1H-pyrazol-5-yl)benzoic acid (CAS 1260683-96-2)
- methyl 6-chloro-4-hydroxy-2-naphthoate (CAS 127266-00-6)
- (3-Amino-6-bromo-2,3-dihydrobenzofuran-3-yl)methanol (CAS 1782355-61-6)
- 5-(3-Isobutyl-1-methyl-1h-1,2,4-triazol-5-yl)thiophen-2-amine (CAS 1343853-04-2)
- 4-Bromo-1-cyclopentyl-5-methyl-1H-pyrazol-3-amine (CAS 1006470-75-2)
- (Z)-4-(3-(3,5-Dichlorophenyl)-4,4,4-trifluorobut-2-enoyl)-2-methylbenzamide (CAS 943436-66-6)
- 4-(2-Benzhydrylhydrazinyl)-6-chloropyrimidin-5-amine (CAS 15129-00-7)
- 1-(1,2,3,4-Tetrahydroquinolin-5-yl)ethan-1-ol (CAS 1779935-99-7)
- AG 490, m-CF3 (CAS 581797-29-7)
- Dexamethasone Impurity 715 Disodium Salt (CAS 39005-10-2)
- Tert-butyl 7-bromo-3,4-dihydro-1,8-naphthyridine-1(2H)-carboxylate (CAS 1375301-99-7)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
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