5-[(E)-2-[(4-Chlorophenyl)amino]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carbonitrile CAS 338394-20-0
| CAS No. | 338394-20-0 |
| Molecular Formula | C18H10Cl3N3O |
| Molecular Weight | 390.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-[(E)-2-[(4-Chlorophenyl)amino]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carbonitrile (C18H10Cl3N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 390.65 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
5-[(E)-2-[(4-Chlorophenyl)amino]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carbonitrile (CAS 338394-20-0) is a high-purity analytical reference standard with the molecular formula C18H10Cl3N3O and a molecular weight of 390.65 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-[(E)-2-[(4-Chlorophenyl)amino]ethenyl]-3-(2,6-dichlorophenyl)-1,2-oxazole-4-carbonitrile meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H10Cl3N3O |
| Molecular Weight | 390.65 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 |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related E Standards
- 3-(2-Chlorophenyl)-5-[(E)-2-[(3,5-dichlorophenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 320425-17-0)
- 2-[(4-Chlorophenyl)amino]-6-oxo-4-[4-(trifluoromethyl)phenyl]-1,6-dihydropyrimidine-5-carbonitrile (CAS 1349445-93-7)
- (E)-[(2-Chlorophenyl)methoxy]({4-[4-(trifluoromethyl)pyridin-2-yl]phenyl}methylidene)amine (CAS 1092346-27-4)
- (E)-[(4-Chlorophenyl)methoxy]({4-[4-(trifluoromethyl)pyridin-2-yl]phenyl}methylidene)amine (CAS 1092346-33-2)
- 2-((5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 84327-87-7)
- N-(3-chlorophenyl)-2-((3-nitro-2-oxo-2H-chromen-4-yl)thio)acetamide (CAS 294853-58-0)
- 2-((2-Chlorophenyl)thio)-5-(3-(trifluoromethyl)phenyl)nicotinonitrile (CAS 338964-71-9)
- 2-((3-Chlorophenyl)thio)-5-(3-(trifluoromethyl)phenyl)nicotinonitrile (CAS 338964-73-1)
Recommended Standards
- 6-Bromo-2-(2-ethoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160253-09-7)
- 1-(1H-Imidazol-1-yl)docosan-1-one (CAS 883835-84-5)
- 6-Bromo-2-(4-ethoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160253-15-5)
- 464-72-2 4VNT36L0QZ Benzopinacol 1,2-Ethanediol, 1,1,2,2-tetraphenyl- 1,1,2,2-Tetraphenylethane-1,2-diol AI3-09213 Benzophenone pinacol Benzopinacone Benzpinacol Benzpinacone alpha,alpha'-Bibenzhydrol EINECS 207-356-8 NSC 120377 1,1,2,2-Tetraphenyl-1,2-ethanediol Tetraphenyl-1,2-ethanediol Tetraphenylethylene glycol 1,1,2,2-Tetraphenylethylene glycol UNII-4VNT36L0QZ (CAS 464-72-2)
- 3,4'-Dimethyl-[1,1'-biphenyl]-4-ol (CAS 175136-31-9)
- 2-Azabicyclo[4.1.0]Heptane-5-carboxylic acid (CAS 1891261-81-6)
- 2-Amino-1-(3,4-dichlorophenyl)ethan-1-ol (CAS 3567-82-6)
- (4,4-Dimethyl-cyclohexyl)-acetic acid methyl ester (CAS 1210879-61-0)
- N-(3,4-Dimethoxyphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 578750-65-9)
- 4-Bromo-3-iodobenzonitrile (CAS 1006715-27-0)
- 4-Chloro-n-((1-hydroxycyclobutyl)methyl)benzenesulfonamide (CAS 1423623-33-9)
- Mirogabalin impurity 68 (CAS CATO-C4X-292468)
- N-Isopentylcyclopropanamine (CAS 914260-76-7)
- Hepcidin/LEAP-1 (Human); Liver-Expressed Antimicrobial Peptide (CAS 342790-21-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com