3-Phenylisoxazol-5-yl 3-(trifluoromethyl)benzoate CAS 303987-02-2
| CAS No. | 303987-02-2 |
| Molecular Formula | C17H10F3NO3 |
| Molecular Weight | 333.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 333.26 g/mol gives 3-Phenylisoxazol-5-yl 3-(trifluoromethyl)benzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Phenylisoxazol-5-yl 3-(trifluoromethyl)benzoate (CAS 303987-02-2), molecular formula C17H10F3NO3 and molecular weight 333.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H10F3NO3, 3-Phenylisoxazol-5-yl 3-(trifluoromethyl)benzoate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 333.26 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Phenylisoxazol-5-yl 3-(trifluoromethyl)benzoate 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 | C17H10F3NO3 |
| Molecular Weight | 333.26 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 | F-containing |
| Nitrogen Atoms | 1 |
Related Phenylisoxazol Standards
- N-((5-Phenylisoxazol-3-yl)methyl)benzo[d]thiazole-2-carboxamide (CAS 1206998-03-9)
- Methyl 2-(((5-phenylisoxazol-3-yl)methyl)carbamoyl)benzoate (CAS 953178-74-0)
- (5-Phenylisoxazol-3-yl)(4-(thiophen-3-yl)piperidin-1-yl)methanone (CAS 1396799-01-1)
- 1070176-30-5 4-[4-(5-Methyl-3-phenylisoxazol-4-yl)-1,3-thiazol-2-yl]piperidine (CAS 1070176-30-5)
- (5-Phenylisoxazol-3-yl)methyl 3-(trifluoromethyl)benzoate (CAS 343374-56-1)
- (5-Phenylisoxazol-3-yl)methyl 3,4-dichlorobenzoate (CAS 343374-57-2)
- (5-Phenylisoxazol-3-yl)(4-(pyrazin-2-yloxy)piperidin-1-yl)methanone (CAS 1448046-54-5)
- N-((3-phenylisoxazol-5-yl)methyl)benzenesulfonamide (CAS 339016-87-4)
Recommended Standards
- 3-Hydroxy-2-(((4-(trifluoromethoxy)phenyl)imino)methyl)-1H-inden-1-one (CAS 946386-79-4)
- 4-((3,4-Dichlorophenyl)thio)-5-methoxy-2-(methylthio)pyrimidine (CAS 338955-64-9)
- 3-(Pyridin-4-yl)-1-(3-(trifluoromethyl)phenyl)-1H-pyrazole-4-carboxylic acid (CAS 400076-49-5)
- 4-Hydroxy-2-phenyl-8-(trifluoromethyl)quinoline-3-carboxylic acid (CAS 64321-97-7)
- 1-(3,5-Difluorophenyl)-2,2,2-trifluoroethan-1-amine (CAS 929804-90-0)
- 6-Bromo-2-[2-(5-methylfuran-2-yl)ethenyl]quinoline-4-carboxylic acid (CAS 926273-86-1)
- 2,2,2-Trifluoro-1-(furan-2-yl)ethan-1-ol (CAS 70783-48-1)
- N-(2-((2-methyl-1,2,3,4-tetrahydroquinolin-8-yl)oxy)ethyl)acetamide (CAS 931588-11-3)
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- 5,7-Dibromo-1,2,3,4-tetrahydroacridin-9-amine (CAS 560134-44-3)
- 4-Nitro-2-(pyridin-3-ylmethyl)isoindoline-1,3-dione (CAS 152265-43-5)
- tert-Butyl 2-(4-bromophenyl)-3-thioxo-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxylate (CAS 1325306-86-2)
- Dapagliflozin Impurity N50 (CAS 21900-52-7)
- Semaglutide impurity 103 (CAS 1446013-07-5)
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