2-(2,4-Dichlorobenzyl)-3-methylisoxazol-5(2H)-one CAS 139307-50-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139307-50-9 |
| Molecular Formula | C11H9Cl2NO2 |
| Molecular Weight | 258.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(2,4-Dichlorobenzyl)-3-methylisoxazol-5(2H)-one (CAS 139307-50-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H9Cl2NO2. Molecular weight: 258.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H9Cl2NO2 |
| Molecular Weight | 258.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorobenzyl Standards
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- 1-(3,4-Dichlorobenzyl)piperidin-4-one (CAS 220772-52-1)
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- (R)-3-(2,6-Dichlorobenzyl)piperazin-2-one (CAS 1240589-48-3)
Recommended Standards
- (5-(N-(tert-butyl)sulfamoyl)pyridin-3-yl)boronic acid (CAS 1314987-50-2)
- 1-(3-(3,5-Dichlorophenyl)-1,2,4-oxadiazol-5-yl)ethanamine (CAS 1431725-39-1)
- 5-(3-Chloro-4-methoxyphenyl)-2-(chloromethyl)oxazole (CAS 1215990-56-9)
- 2-Bromo-6-(chloromethyl)-3-(difluoromethyl)pyridin-4-ol (CAS 1805368-63-1)
- 1-Methyl-3-phenyl-5-(p-tolylthio)-1H-pyrazole-4-carbonitrile (CAS 321998-34-9)
- [1,1'-Biphenyl]-4-carbothioamide (CAS 13363-50-3)
- 5-Bromo-N-cyclohexyl-N,4-dimethylpyridin-2-amine (CAS 1220029-11-7)
- 4-(1-Cyanocyclopropyl)phenylboronic Acid (CAS 1217501-00-2)
- 2,4,6-Triisopropylbenzenesulfonamide (CAS 105536-22-9)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com