3-Phenylisoxazol-5-yl 2,4-dichlorobenzenesulfonate CAS 320423-37-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 320423-37-8 |
| Molecular Formula | C15H9Cl2NO4S |
| Molecular Weight | 370.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Phenylisoxazol-5-yl 2,4-dichlorobenzenesulfonate (CAS 320423-37-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H9Cl2NO4S. Molecular weight: 370.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H9Cl2NO4S |
| Molecular Weight | 370.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Phenylisoxazol Standards
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- 3-Phenylisoxazol-5-yl 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxylate (CAS 303987-03-3)
- (5-Phenylisoxazol-3-yl)(4-(pyrazin-2-yloxy)piperidin-1-yl)methanone (CAS 1448046-54-5)
- (5-Phenylisoxazol-3-yl)methyl 3,4-dichlorobenzoate (CAS 343374-57-2)
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Recommended Standards
- 3-(1-Oxo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-2-yl)piperidine-2,6-dione (CAS 2193080-10-1)
- 6-(2-Aminothiazol-4-yl)-2-(3,5-dichlorophenyl)-4-methyl-1,2,4-triazine-3,5(2H,4H)-dione (CAS 477854-34-5)
- 2-Amino-6-((3,4-dichlorophenyl)sulfonyl)quinazolin-4(1H)-one (CAS 53667-27-9)
- 2-[4-(sec-Butyl)phenoxy]-3-chloroaniline (CAS 946772-74-3)
- 3-Chloro-6-(thiophen-3-yl)pyridazine (CAS 78784-79-9)
- 1-Chloro-3-fluoro-3-methylbutan-2-one (CAS 80212-78-8)
- 2,6-Dichloropyridine-4-boronic Acid Pinacol Ester (CAS 408492-27-3)
- [5-(2-chlorophenyl)-1,3,4-oxadiazol-2-yl]methanol (CAS 54014-15-2)
- 9-Chloro-2,3-dimethoxy-6-nitroacridine (CAS 6628-92-8)
- D-Pro36-Tirzepatide (CAS CATO-CPTD788903)
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