4-(4-Phenyl-3-(trifluoromethyl)isoxazol-5-yl)benzene-1,3-diol CAS 904508-85-6
| CAS No. | 904508-85-6 |
| Molecular Formula | C16H10F3NO3 |
| Molecular Weight | 321.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 4-(4-Phenyl-3-(trifluoromethyl)isoxazol-5-yl)benzene-1,3-diol (CAS 904508-85-6), a certified reference material (molecular formula C16H10F3NO3, MW 321.25 g/mol) for analytical method development and quality control.
Structurally, 4-(4-Phenyl-3-(trifluoromethyl)isoxazol-5-yl)benzene-1,3-diol (C16H10F3NO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 321.25 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 4-(4-Phenyl-3-(trifluoromethyl)isoxazol-5-yl)benzene-1,3-diol 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 | C16H10F3NO3 |
| Molecular Weight | 321.25 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Phenyl Standards
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- 2-((3-(Trifluoromethyl)benzyl)oxy)isoindoline-1,3-dione (CAS 30777-88-9)
- 2-((4-(Trifluoromethyl)benzyl)oxy)isoindoline-1,3-dione (CAS 339096-92-3)
- 3-Oxo-2-(3-(trifluoromethyl)phenyl)isoindoline-4-carboxylic acid (CAS 728887-93-2)
- 5-Phenyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carbohydrazide (CAS 329222-73-3)
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Recommended Standards
- 4-(2-chloro-1,3-thiazol-5-yl)-3-[(2-chloro-1,3-thiazol-5-yl)methyl]-2-butanone (CAS 320424-33-7)
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- Methyl 4,4,4-trifluoro-2-formamido-3-hydroxy-3-(4-methoxyphenyl)butanoate (CAS 649573-18-2)
- 2-(Adamantan-1-yl)-4-bromo-5-methylphenol (CAS 245434-50-8)
- 2-(4-Butylphenyl)-8-chloroquinoline-4-carbonyl chloride (CAS 1160256-26-7)
- N-Ethyl-4-hydroxy-2-methylbenzamide (CAS 1695433-02-3)
- 2-(5-Cyclopropyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)acetamide (CAS 1171573-59-3)
- 4,4,5,5-Tetramethyl-2-(4-phenethoxyphenyl)-1,3,2-dioxaborolane (CAS 1221824-16-3)
- 2,2-Difluoro-cyclopropanecarboxylic acid benzyl ester (CAS 1393576-46-9)
- 1-[3-(trifluoromethoxy)phenyl]pyrrolidin-3-amine (CAS 1096306-23-8)
- 2-(Bromomethyl)-1,3,5-trichlorobenzene (CAS 217479-61-3)
- (3s,5r)-3-Cyclopropyl-5-methyl-2-oxo-pyrrolidine-3-carbonitrile (CAS 1462290-02-3)
- 3-Hydroxy-4-(methylthio)benzoic acid (CAS 1243282-54-3)
- D-Ala18-Tirzepatide (CAS CATO-CPTD788916)
Why CATO?
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