Methyl 5-Cyclopropyl-3-[2-(trifluoromethoxy)phenyl]isoxazole-4-carboxylate CAS 1103500-32-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1103500-32-8 |
| Molecular Formula | C15H12F3NO4 |
| Molecular Weight | 327.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-Cyclopropyl-3-[2-(trifluoromethoxy)phenyl]isoxazole-4-carboxylate (CAS 1103500-32-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H12F3NO4. Molecular weight: 327.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H12F3NO4 |
| Molecular Weight | 327.26 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-Bromo-4-(nonyloxy)benzaldehyde (CAS 101254-31-3)
- 2,2,2-Trifluoroethyl n-[3-(1-cyclopropyl-1h-1,2,3,4-tetrazol-5-yl)phenyl]carbamate (CAS 1221724-15-7)
- 5-(Methoxymethyl)-2-[1-methyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]pyrazolo[1,5-a]pyrimidin-7-ol (CAS 1007074-04-5)
- 1-(Pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine (CAS 871798-82-2)
- 4-(Cyclopropylmethoxy)butanoic acid (CAS 1019515-26-4)
- 2,4-dichloro-6-fluoropyrrolo[2,1-f][1,2,4]triazine (CAS 2306276-28-6)
- 2-[(2E)-1-(Dimethylamino)-3-[(2-fluorophenyl)amino]prop-2-en-1-ylidene]propanedinitrile (CAS 1164473-52-2)
- 6-Chloro-3-(2-(methylthio)pyrimidin-4-yl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1386398-83-9)
- Methyl 4-(benzyloxy)-3-methylbenzoate (CAS 1439364-88-1)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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