5-(2-Chloro-5-nitrophenyl)-3-(2-fluorophenyl)-1,2,4-oxadiazole CAS 1119395-91-3
| CAS No. | 1119395-91-3 |
| Molecular Formula | C14H7ClFN3O3 |
| Molecular Weight | 319.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(2-Chloro-5-nitrophenyl)-3-(2-fluorophenyl)-1,2,4-oxadiazole (CAS 1119395-91-3), a certified reference material (molecular formula C14H7ClFN3O3, MW 319.68 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 5-(2-Chloro-5-nitrophenyl)-3-(2-fluorophenyl)-1,2,4-oxadiazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 319.68 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-(2-Chloro-5-nitrophenyl)-3-(2-fluorophenyl)-1,2,4-oxadiazole 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 | C14H7ClFN3O3 |
| Molecular Weight | 319.68 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.) | 1989 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- Ethyl 1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1h-pyrazole-3-carboxylate (CAS 1006336-63-5)
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- 1-[4-Chloro-3-(trifluoromethyl)phenyl]-5-ethyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1096912-00-3)
- 1-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}-5-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 1420776-15-3)
- (1-(3-Chloro-4-fluorophenyl)-1H-1,2,3-triazol-4-yl)(4-fluorophenyl)methanone (CAS 444151-90-0)
- (4Z)-4-{[(5-chloro-2-hydroxyphenyl)amino]methylidene}-1-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 320425-04-5)
- 1-(2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-1H-pyrrole-2,5-dione (CAS 339096-64-9)
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Recommended Standards
- N1-{2-methyl-4-[5-(trifluoromethyl)-1,3,4-oxadiazol-2-yl]phenyl}-2-chloroacetamide (CAS 299207-95-7)
- N-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}-2-(1H-1,2,4-triazol-1-yl)ethanimidamide (CAS 477852-40-7)
- N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1-methyl-1H-imidazole-2-carbohydrazide (CAS 400078-06-0)
- 6-(Dimethoxymethyl)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride (CAS 2851879-18-8)
- 3-(Difluoromethyl)benzenesulfonamide (CAS 1863561-11-8)
- 1,4-dimethylpiperidine-4-carboxylic acid (CAS 162648-33-1)
- 1-deuterio-3-methyl-benzene (CAS 4409-85-2)
- 3,4-Dimethyl-1-(1,3-dioxolan-2-ylmethyl)benzene (CAS 898759-39-2)
- 1-(5-Acetyl-1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carbonyl)piperidine-4-carboxylic acid (CAS 1306738-60-2)
- Methyl 2-methyl-[1,1'-biphenyl]-4-carboxylate (CAS 892843-59-3)
- 1-Acetyl-2-imino-2,3-dihydro-1H-pyrrole-3-carbonitrile (CAS 724462-20-8)
- Tert-butyl (4-amino-4-thioxobutan-2-yl)carbamate (CAS 159877-49-3)
- 2-(2-Cyanophenyl)-3-trifluoromethylacetophenone (CAS 898784-47-9)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
Why CATO?
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