(4E)-3-(Chloromethyl)-4-(2,3-dichlorobenzylidene)-isoxazol-5(4H)-one 1142198-98-8 9224AC C11H6Cl3NO2 CAS 1142198-98-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1142198-98-8 |
| Molecular Formula | C11H6Cl3NO2 |
| Molecular Weight | 290.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (4E)-3-(Chloromethyl)-4-(2,3-dichlorobenzylidene)-isoxazol-5(4H)-one 1142198-98-8 9224AC C11H6Cl3NO2 (CAS 1142198-98-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H6Cl3NO2. Molecular weight: 290.53 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H6Cl3NO2 |
| Molecular Weight | 290.53 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- (4E)-3-(Chloromethyl)-4-(2,4-dichlorobenzylidene)-isoxazol-5(4H)-one 1142199-00-5 9225AC C11H6Cl3NO2 (CAS 1142199-00-5)
- (4E)-3-(Chloromethyl)-4-(2,6-dichlorobenzylidene)-isoxazol-5(4H)-one 1142199-01-6 (CAS 1142199-01-6)
- 5-(Chloromethyl)-3-(4-(difluoromethoxy)-3-methoxyphenyl)-1,2,4-oxadiazole (CAS 852399-92-9)
- (4E)-3-(Chloromethyl)-4-[(5-methoxy-1H-indol-3-yl)methylene]isoxazol-5(4H)-one (CAS 1142199-58-3)
- 2-(Chloromethyl)-5-(4-methylphenyl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 571155-99-2)
- 5-(Chloromethyl)-3-(4-(piperidin-1-ylmethyl)phenyl)isoxazole (CAS 1105060-10-3)
- 7-(Chloromethyl)-12-methyltetraphene (CAS 13345-62-5)
- 6-(Chloromethyl)-2-(5-(trifluoromethyl)pyridin-2-yl)pyrimidin-4-ol (CAS 266679-42-9)
Recommended Standards
- 6-Bromo-4-chloro-3-fluoro-2-methoxyquinoline (CAS 2074702-98-8)
- 2-Bromo-4-chloro-6-cyclopropoxy-3-fluorobenzonitrile (CAS 2629317-94-6)
- 4-(4-Bromo-2-fluorophenyl)-3-chloro-5-methyl-4h-1,2,4-triazole (CAS 1342515-21-2)
- 2-Chloro-5-[(3-chloropropanoyl)amino]benzoic acid (CAS 1155503-79-9)
- Palladate(1-), diamminedichloro- (CAS 53899-86-8)
- Pazopanib Impurity 35 (CAS CATO-C4X-172535)
- N’-(4-Fluoro-5-methylbiphenyl-3-carbonyl)benzenesulfonohydrazide (CAS 2055397-18-5)
- 62284-30-4 1-(Azidomethyl)-2-fluorobenzene DTXSID10611949 (CAS 62284-30-4)
- 3-Imino-2-indolinone (CAS 612-53-3)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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