5-(Chloromethyl)-3-(p-tolyl)isoxazole CAS 478016-01-2
| CAS No. | 478016-01-2 |
| Molecular Formula | C11H10ClNO |
| Molecular Weight | 207.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 5-(Chloromethyl)-3-(p-tolyl)isoxazole (CAS 478016-01-2), a certified reference material (molecular formula C11H10ClNO, MW 207.66 g/mol) for analytical method development and quality control.
Structurally, 5-(Chloromethyl)-3-(p-tolyl)isoxazole (C11H10ClNO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 207.66 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C11H10ClNO |
| Molecular Weight | 207.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloromethyl Standards
- 2-(chloromethyl)-5-(4-methylphenyl)-1,3-oxazole (CAS 1023811-25-7)
- 4-(Chloromethyl)-5-methyl-2-phenyl-1,3-oxazole (CAS 103788-61-0)
- 4-(Chloromethyl)-2-(m-tolyl)oxazole (CAS 1038708-57-4)
- 3-(Chloromethyl)-2-methoxyquinoline (CAS 1038983-52-6)
- 6-(Chloromethyl)-3-methoxyquinoline (CAS 1051316-29-0)
- 2-(chloromethyl)-5-(2-methylphenyl)-1,3-oxazole (CAS 1094226-45-5)
- 5-(Chloromethyl)-2-methylquinolin-8-ol (CAS 114590-58-8)
- 4-(Chloromethyl)-1-(p-tolyl)-1H-1,2,3-triazole (CAS 1247531-63-0)
Recommended Standards
- 5-(Chloromethyl)-3-(m-tolyl)isoxazole (CAS 934156-90-8)
- 5-(Chloromethyl)-4-methyl-2-phenyl-1,3-oxazole (CAS 625106-10-7)
- 5-(4-Chlorophenyl)-5-oxovaleronitrile (CAS 54959-85-2)
- 5-(Chloromethyl)-8-methoxyquinoline hydrochloride, 97% (CAS 740797-41-5)
- (R)-Epichlorohydrin (CAS 51594-55-9)
- 3-(Tert-butyl) 9-methyl 3-azaspiro[5.5]Undecane-3,9-dicarboxylate (CAS 2005470-91-5)
- 4-(triazol-1-ylmethyl)piperidine;hydrochloride (CAS 1423032-62-5)
- 2-Bromo-1-(5-bromo-2-fluorophenyl)ethan-1-one (CAS 1427413-65-7)
- Dronedarone Impurity 86 (CAS CATO-C4X-109286)
- Cyclobutyl(2,6-difluorophenyl)methanamine hydrochloride (CAS 1864059-26-6)
- 5'-Fluoro-2'-hydroxy-3'-nitroacetophenone 1-(5-fluoro-2-hydroxy-3-nitrophenyl)ethanone 5-fluoro-2-hydroxy-3-nitroacetophenone 70978-39-1 (CAS 70978-39-1)
- 2-Benzyl-6-bromopyridazin-3(2h)-one (CAS 1823325-35-4)
- (4-(Trifluoromethyl)pyridin-3-yl)methanamine (CAS 771580-70-2)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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