5-(4-Chlorostyryl)-3-methyl-4-nitroisoxazole CAS 53557-97-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53557-97-4 |
| Molecular Formula | C12H9ClN2O3 |
| Molecular Weight | 264.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(4-Chlorostyryl)-3-methyl-4-nitroisoxazole (CAS 53557-97-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H9ClN2O3. Molecular weight: 264.66 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H9ClN2O3 |
| Molecular Weight | 264.66 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorostyryl Standards
- 5-(2-Chlorostyryl)-3-methyl-4-nitroisoxazole (CAS 53557-98-5)
- (E)-2-(2-Chlorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1355094-04-0)
- (E)-2-(3-Chlorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 871125-84-7)
- 2-(2-Chlorostyryl)-5-methyloxazole-4-carboxylic acid (CAS 89723-91-1)
- 2-(3-Chlorostyryl)-5-methyloxazole-4-carboxylic acid (CAS 89724-04-9)
- 2-(4-Chlorostyryl)-5-methyloxazole-4-carboxylic acid (CAS 89723-98-8)
- (E)-2-(4-Chlorostyryl)quinoline (CAS 38101-91-6)
- 2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole (CAS 2639-35-2)
Recommended Standards
- 5-(4-Chlorobenzyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carbaldehyde (CAS 21328-03-0)
- 5-Acetyl-1-(3-chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 882046-89-1)
- 5-Acetyl-1-(4-chlorophenyl)-1H-pyrazole-4-carboxylic acid (CAS 786727-29-5)
- (2-Methyl-1,4-dioxan-2-yl)methanamine (CAS 933688-77-8)
- 1-(3,4-Difluorophenyl)-4,4-dimethyl-1,4-dihydropyrimidine-2-thiol (CAS 1142198-81-9)
- Methyl 2,6-diaminobenzoate (CAS 32114-64-0)
- 6,6-Dimethyl-1-phenyl-1,6-dihydro-1,3,5-triazine-2,4-diamine Hydrochloride (CAS 63979-37-3)
- 3-(2,3-Dimethylphenyl)-5-ethyl-6-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 743452-50-8)
- 1-(1-Ethyl-1H-pyrrol-2-yl)-N,N-dimethylmethanamine (CAS 566938-43-0)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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