(3-(2-Chloro-6-fluorophenyl)-5-methylisoxazol-4-yl)(3-cyclopropyl-1H-pyrazol-1-yl)methanone CAS 956794-49-3
| CAS No. | 956794-49-3 |
| Molecular Formula | C17H13ClFN3O2 |
| Molecular Weight | 345.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(3-(2-Chloro-6-fluorophenyl)-5-methylisoxazol-4-yl)(3-cyclopropyl-1H-pyrazol-1-yl)methanone (CAS 956794-49-3), molecular formula C17H13ClFN3O2 and molecular weight 345.76 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H13ClFN3O2, (3-(2-Chloro-6-fluorophenyl)-5-methylisoxazol-4-yl)(3-cyclopropyl-1H-pyrazol-1-yl)methanone contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 345.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures (3-(2-Chloro-6-fluorophenyl)-5-methylisoxazol-4-yl)(3-cyclopropyl-1H-pyrazol-1-yl)methanone 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 | C17H13ClFN3O2 |
| Molecular Weight | 345.76 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 5-Chloro-6-cyclopropyl-1-(4-fluorophenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-20-8)
- 5-Chloro-6-cyclopropyl-1-(2-fluorophenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-82-2)
- (4-Chloro-6,7-dimethoxyquinolin-3-yl)(4-fluorophenyl)methanone (CAS 1351780-15-8)
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Recommended Standards
- N-(4-Chlorophenethyl)-2-(4-fluorophenyl)-2H-tetrazole-5-carboxamide (CAS 1396843-86-9)
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- 5-Amino-1-(4-chlorobenzyl)-N-(3-fluorophenyl)-1H-1,2,3-triazole-4-carboxamide (CAS 900013-58-3)
- 5-Amino-1-benzyl-N-(3-chloro-4-fluorophenyl)-1H-1,2,3-triazole-4-carboxamide (CAS 900013-19-6)
- 2-(4-Nonylphenoxy)benzaldehyde (CAS 478050-19-0)
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- (2S,4R)-4-(Methoxymethoxy)pyrrolidine-2-carboxylic acid (CAS 267014-77-7)
- tert-Butyl ((4s,7s)-3-(trifluoromethyl)-1-oxaspiro[3.5]nonan-7-yl)carbamate (CAS 2770345-63-4)
- 2-Acetyl-6-aminoisonicotinic acid (CAS 1393530-00-1)
- 2-(Furan-2-yl)-N5-(2-methoxybenzyl)thiazolo[5,4-d]pyrimidine-5,7-diamine (CAS 2042563-95-9)
- tert-Butyl (2-methyl-2-(piperidin-4-yl)propyl)carbamate (CAS 2095411-22-4)
- Biotinyl-Gly-Gly-OH (G-4485.1000) (CAS 120447-60-1)
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