5-(Difluoromethyl)isoxazol-4-amine CAS 1513649-40-5
| CAS No. | 1513649-40-5 |
| Molecular Formula | C4H4F2N2O |
| Molecular Weight | 134.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-(Difluoromethyl)isoxazol-4-amine (C4H4F2N2O) 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 134.08 g/mol, it falls into the low-molecular-weight range. 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-(Difluoromethyl)isoxazol-4-amine (CAS 1513649-40-5) is a high-purity analytical reference standard with the molecular formula C4H4F2N2O and a molecular weight of 134.08 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-(Difluoromethyl)isoxazol-4-amine 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 | C4H4F2N2O |
| Molecular Weight | 134.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoromethyl Standards
- 3-(difluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1339647-15-2)
- 5-(Difluoromethyl)isoxazol-3-amine (CAS 1780523-90-1)
- 3-(Difluoromethyl)isoxazol-5-amine (CAS 1934921-14-8)
- 1-(Difluoromethyl)-1H-pyrazol-4-ol (CAS 2098115-43-4)
- 1-(difluoromethyl)cyclobutane-1-carbaldehyde (CAS 1781544-23-7)
- 2-(Difluoromethyl)thiophene (CAS 98909-14-9)
- 3-(Difluoromethyl)bicyclo[1.1.1]pentan-1-amine (CAS 1886967-47-0)
- 1-(Difluoromethyl)-2-azabicyclo[2.1.1]Hexane (CAS 1935113-55-5)
Recommended Standards
- Difluoromethanesulfonyl fluoride (CAS 1554-47-8)
- 2,2-Difluorocyclopentane-1,3-dione (CAS 1215071-21-8)
- N-(cyanomethyl)-2,2-difluoroacetamide (CAS 1700080-97-2)
- 2-Methyl-1,2-oxaphospholan-5-one 2-oxide (CAS 15171-48-9)
- N1,N1-dimethyl-3-phenylpropane-1,2-diamine dihydrochloride (CAS 29802-24-2)
- 3-[5-(3-Bromophenyl)-1,2,4-oxadiazol-3-yl]propanoic acid (CAS 1196463-11-2)
- 2-Methyl-5-(trifluoromethyl)-1H-imidazole-4-carboxylic acid (CAS 1478221-87-2)
- Deschloro-2-oxo-thiamethoxam (DISCONTINUED) (CAS 1198425-98-7)
- 3-(4-Bromo-1h-pyrazol-1-yl)-2-(isopropylamino)-2-methylpropanoic acid (CAS 1250068-77-9)
- 1,7-Dimethyl-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4(1H)-one (CAS 61402-43-5)
- 7,8,16,17-TEtrahydro-dibenzo[f,m][1,8,4,11]dioxadiazacyclotetradecine-9,18(6H,15H)-dione (CAS 111904-37-1)
- (5-(Methylamino)naphthalen-1-yl)boronic acid (CAS 882527-37-9)
- 2-(3-Bromopyridin-2-yl)-2,2-difluoroacetic acid hydrochloride (CAS 2060043-22-1)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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