(4E)-3-(Chloromethyl)-4-(4-nitrobenzylidene)-isoxazol-5(4H)-one 1142199-30-1 9237AC C11H7ClN2O4 CAS 1142199-30-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1142199-30-1 |
| Molecular Formula | C11H7ClN2O4 |
| Molecular Weight | 266.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (4E)-3-(Chloromethyl)-4-(4-nitrobenzylidene)-isoxazol-5(4H)-one 1142199-30-1 9237AC C11H7ClN2O4 (CAS 1142199-30-1) pharmaceutical standards reference standard. Molecular formula: C11H7ClN2O4. Molecular weight: 266.64 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H7ClN2O4 |
| Molecular Weight | 266.64 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 methanol, ethanol, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related E Standards
- (4E)-3-(Chloromethyl)-4-(2-nitrobenzylidene)-isoxazol-5(4H)-one 1142198-95-5 (CAS 1142198-95-5)
- 2-((Chloromethyl)thio)-6-methyl-4-(trifluoromethyl)nicotinonitrile (CAS 286833-00-9)
- 2-(Chloromethyl)-5-(furan-2-yl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 851116-06-8)
- 1-Boc-2-(chloromethyl)benzimidazole (CAS 163798-87-6)
- 5-(Chloromethyl)-2-methanesulfonyl-1-(3-methoxypropyl)-1h-imidazole (CAS 1221341-19-0)
- 2-[4-(chloromethyl)-1,3-thiazol-2-yl]-N-phenylacetamide (CAS 926198-05-2)
- n-[4-(chloromethyl)-1,3-thiazol-2-yl]-n-phenylacetamide (CAS 58905-44-5)
- 1-(Chloromethyl)-4-iodo-2-methylbenzene (CAS 1261569-68-9)
Recommended Standards
- (2S,3R)-2-(4-chlorophenyl)-4,4,4-trifluoro-3-methylbutanoic acid (CAS 1297550-14-1)
- Methyl 2-chloro-6-nitroquinoline-4-carboxylate (CAS 103646-11-3)
- 4-Chloro-6-(4-nitrophenoxy)pyrimidin-2-amine (CAS 130035-46-0)
- [2-(4-Methoxy-phenyl)-ethyl]-pyridin-2-yl-methylamine oxalate (CAS 1046803-53-5)
- Dimethyl (R)-2-acetoxy-2-methylsuccinate (CAS 100833-60-1)
- 5-Methyl-1H-pyrazole-4-carboxylic acid (CAS 1035225-22-9)
- 4-Bromo-5-cyano-2-(difluoromethyl)nicotinoyl chloride (CAS 1804912-13-7)
- 2-(Aminomethyl)-5-fluorophenol (CAS 870669-90-2)
- Alprostadil (Prostaglandin E1) EP Impurity B (CAS 13345-51-2)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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