(5-(4-Chlorophenyl)isoxazol-3-yl)methyl 4-chlorobenzoate CAS 338777-07-4
| CAS No. | 338777-07-4 |
| Molecular Formula | C17H11Cl2NO3 |
| Molecular Weight | 348.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H11Cl2NO3, (5-(4-Chlorophenyl)isoxazol-3-yl)methyl 4-chlorobenzoate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(5-(4-Chlorophenyl)isoxazol-3-yl)methyl 4-chlorobenzoate (CAS 338777-07-4) is a high-purity analytical reference standard with the molecular formula C17H11Cl2NO3 and a molecular weight of 348.18 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (5-(4-Chlorophenyl)isoxazol-3-yl)methyl 4-chlorobenzoate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H11Cl2NO3 |
| Molecular Weight | 348.18 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 sealed and dry |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- (1-(4-Chlorophenyl)-1H-1,2,3-triazol-4-yl)methyl 4-chlorobenzoate (CAS 338419-25-3)
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Recommended Standards
- (5-Phenyl-3-isoxazolyl)methyl 2,4-dichlorobenzenecarboxylate (CAS 343374-55-0)
- (1-(3,4-Dichlorophenyl)-1H-1,2,3-triazol-4-yl)methyl benzoate (CAS 338419-31-1)
- (5-Phenylisoxazol-3-yl)methyl 3,4-dichlorobenzoate (CAS 343374-57-2)
- Tert-butyl 7-iodo-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate (CAS 1973505-15-5)
- (5-Methyl-1,3-benzothiazol-2-yl)methanol (CAS 1188235-07-5)
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- Methyl 2-amino-3-(4-chlorophenyl)propanoate (CAS 23434-96-0)
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- Ethyl (2,6-dichloro-3-nitropyridin-4-yl)carbamate (CAS 947146-17-0)
- N-(benzo[d]oxazol-5-yl)thiophene-2-sulfonamide (CAS 866051-22-1)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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