3-(2-Chlorophenyl)-5-[(E)-2-[(4-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile CAS 320424-91-7
| CAS No. | 320424-91-7 |
| Molecular Formula | C19H14ClN3O2 |
| Molecular Weight | 351.79 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.
CATO supplies 3-(2-Chlorophenyl)-5-[(E)-2-[(4-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 320424-91-7), a certified reference material (molecular formula C19H14ClN3O2, MW 351.79 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 3-(2-Chlorophenyl)-5-[(E)-2-[(4-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 351.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H14ClN3O2 |
| Molecular Weight | 351.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
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Recommended Standards
- 3-((1H-1,2,4-Triazol-1-yl)methyl)-N-(4-chlorophenyl)-1-phenyl-1H-1,2,4-triazol-5-amine (CAS 338418-88-5)
- 5-Bromo-1,3-dichloro-2-iodobenzene (CAS 62720-30-3)
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- N-(4-(4-chlorobenzamido)phenyl)nicotinamide (CAS 332376-88-2)
- n-(3-(Trifluoromethyl)benzyl)cyclopropanamine (CAS 16065-24-0)
- (S)-1-(4-Methyl-3-nitrophenyl)ethan-1-amine (CAS 1241683-30-6)
- 4-(Difluoromethyl)-5-methoxy-3-(trifluoromethyl)picolinic acid (CAS 1805464-11-2)
- 4-[7-(4-Fluorophenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]morpholine (CAS 320416-19-1)
- (2-Iodophenyl)(5-methylpyridin-2-yl)methanone (CAS 1187163-35-4)
- O-((3-Methylisoxazol-5-yl)methyl)hydroxylamine (CAS 238760-87-7)
- (1S,2S)-2-(pyridin-3-yl)cyclohexan-1-ol (CAS 1820581-51-8)
- 2,3,6,7-tetrahedron-1H,5H-pyrido[3,2,1-ij]quinoline hydrobromide 2,3,6,7-tetrahydro-1h,5h-benzo[ij]quinolizine hydrobromide 2,3,6,7-tetrahydro-1h-5h-benzo(i,j)quinolizine, hbr 83646-41-7 julolidine hydrobromide labotest-bb lt00451605 (CAS 83646-41-7)
- 6-(Difluoromethyl)quinoline (CAS 1416806-01-3)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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