(E)-4-(((3-Chlorophenyl)amino)methylene)-2-phenyloxazol-5(4H)-one CAS 313971-65-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 313971-65-2 |
| Molecular Formula | C16H11ClN2O2 |
| Molecular Weight | 298.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-4-(((3-Chlorophenyl)amino)methylene)-2-phenyloxazol-5(4H)-one (CAS 313971-65-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11ClN2O2. Molecular weight: 298.72 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11ClN2O2 |
| Molecular Weight | 298.72 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, keep tightly closed to prevent evaporation |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related E Standards
- 1-(2-Chlorophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid (CAS 116572-69-1)
- 1-(2-Chlorophenyl)-5-phenyl-1h-pyrazole-4-carboxylic acid (CAS 1171970-88-9)
- 5-(4-Chlorophenyl)-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 167873-90-7)
- (1-(4-Chlorophenyl)-1H-pyrazol-4-yl)(2-hydroxyphenyl)methanone (CAS 61466-47-5)
- (2Z)-2-[(4-Chlorophenyl)imino]-2H-chromene-3-carboxamide (CAS 314048-22-1)
- (4Z)-4-{[(4-chlorophenyl)amino]methylidene}-3-phenyl-4,5-dihydro-1,2-oxazol-5-one (CAS 477851-18-6)
- (E)-3-(5-(4-chlorophenyl)furan-2-yl)-1-(furan-2-yl)prop-2-en-1-one (CAS 20005-35-0)
- 1-(2-Chlorophenyl)-3-phenyl-1H-pyrazole-5-carboxylic acid (CAS 618102-00-4)
Recommended Standards
- 1-((2-Chloroallyl)oxy)anthracene-9,10-dione (CAS 80034-87-3)
- (E)-1-Chloro-1,1-difluoro-4-{[2-(1H-indol-3-yl)ethyl]amino}-3-buten-2-one (CAS 478047-13-1)
- (5-Chloro-2-hydroxyphenyl)(1-phenyl-1h-pyrazol-4-yl)methanone (CAS 61466-46-4)
- Dithianon (CAS 3347-22-6)
- 3-(2-Phenylhydrazono)indolin-2-one (CAS 17310-26-8)
- N-[Amino(imino)methyl]-4-benzylpiperazine-1-carboximidamide (CAS 746564-53-4)
- (2,5-Difluoro-4-methoxyphenyl)methanol (CAS 922719-76-4)
- 2-tert-Butyl-1-methyl-1h-1,3-benzodiazol-5-amine (CAS 1250823-86-9)
- 2-(4-Bromo-3,5-dimethylphenyl)-1,3-Dioxolane (CAS 2221812-45-7)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com