5-(Trifluoromethyl)isoxazole CAS 116584-43-1
| CAS No. | 116584-43-1 |
| Molecular Formula | C4H2F3NO |
| Molecular Weight | 137.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 137.06 g/mol gives 5-(Trifluoromethyl)isoxazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-(Trifluoromethyl)isoxazole (CAS 116584-43-1), a certified reference material (molecular formula C4H2F3NO, MW 137.06 g/mol) for analytical method development and quality control.
Structurally, 5-(Trifluoromethyl)isoxazole (C4H2F3NO) contains an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 137.06 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 5-(Trifluoromethyl)isoxazole 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 | C4H2F3NO |
| Molecular Weight | 137.06 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Trifluoromethyl Standards
- 5-(trifluoromethyl)-1,3-oxazole (CAS 1359706-47-0)
- 3-(Trifluoromethyl)isoxazole (CAS 32990-29-7)
- 4-(trifluoromethyl)-1,3-oxazole (CAS 2044772-79-2)
- 5-(Trifluoromethyl)-1H-1,2,3-triazole (CAS 40964-54-3)
- 1087160-38-0 5-(Trifluoromethyl)-1H-pyrazole MFCD09860582 (CAS 1087160-38-0)
- 1-Trifluoromethyl-1H-pyrazole (CAS 169382-91-6)
- 3-(Trifluoromethyl)pyrazole (CAS 20154-03-4)
- 4-Trifluoromethyl-1H-imidazole (CAS 33468-69-8)
Recommended Standards
- 4,4,4-Trifluoro-3-oxobutanenitrile (CAS 110234-68-9)
- 4-amino-1,1,1-trifluorobut-3-yn-2-one (CAS 120417-45-0)
- Bortezomib Impurity 44 (CAS 78-77-3)
- 2-Bromo-2-methylpropane (CAS 507-19-7)
- 3-(2-Iodo-6-methoxyphenoxy)propan-1-ol (CAS 1241505-33-8)
- 2-Bromo-5-methylimidazo[2,1-b][1,3,4]thiadiazole (CAS 1249316-46-8)
- 3-(4-Aminophenoxymethyl)benzonitrile hydrochloride (CAS 1251924-79-4)
- 2-Methyl-1-((4-methylthiazol-2-yl)thio)propan-2-ol (CAS 1183023-53-1)
- 3-Bromo-2-fluoro-6-hydroxybenzoic acid (CAS 1535395-64-2)
- 2-(6-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)propan-2-ol (CAS 2760431-39-6)
- 3-amino-1-cyclohexylpiperidin-2-one (CAS 1343448-63-4)
- methyl 3-(tert-butoxy)-2,2-dimethylpropanoate (CAS 35889-99-7)
- Ethyl 2-(9H-carbazol-9-yl)acetate (CAS 6209-23-0)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
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