5-(3,4-Difluorophenyl)isoxazole CAS 387358-54-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 387358-54-5 |
| Molecular Formula | C9H5F2NO |
| Molecular Weight | 181.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3,4-Difluorophenyl)isoxazole (CAS 387358-54-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5F2NO. Molecular weight: 181.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5F2NO |
| Molecular Weight | 181.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluorophenyl Standards
- 5-(3,5-Difluorophenyl)-1,3-oxazole (CAS 1235340-39-2)
- 5-(2,6-Difluorophenyl)isoxazole (CAS 138716-41-3)
- 5-(2,4-Difluorophenyl)isoxazole (CAS 138716-46-8)
- 5-(2,5-Difluorophenyl)isoxazole (CAS 138716-47-9)
- 3-(2,4-Difluorophenyl)-3-oxopropanenitrile (CAS 71682-95-6)
- 3-(3,5-Difluorophenyl)-3-oxopropanenitrile (CAS 842140-51-6)
- 5-(2,3-Difluorophenyl)oxazole (CAS 2021535-52-2)
- 5-(2,4-Difluorophenyl)oxazole (CAS 2002657-55-6)
Recommended Standards
- 5-(2,6-Difluorophenyl)-1,3-oxazole (CAS 2001301-55-7)
- 5-(3,5-Difluorophenyl)isoxazole (CAS 874800-58-5)
- 5-(2,5-Difluorophenyl)-1,3-oxazole (CAS 2004718-99-2)
- 2-(Dimethylaminomethyl)-1-(M-Trifluoromethylphenyl)Cyclohexanol (CAS 73806-50-5)
- (4-(Thiophen-3-yl)tetrahydro-2H-pyran-4-yl)methanamine (CAS 1447965-82-3)
- 1-(3-Bromophenyl)-N-methylethanamine (CAS 118761-98-1)
- 2-Chloro-6-((4-methoxybenzyl)oxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096331-22-3)
- (2,5-Diethyl-3,4-dihydro-2H-pyran-2-yl)methanol (CAS 85392-28-5)
- 3-(4-((3-Fluorophenyl)sulfonyl)piperazin-1-yl)-6-(3-methyl-1H-pyrazol-1-yl)pyridazine (CAS 1013756-89-2)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
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