4-Chloro-N-(2-oxo-6-phenyl-2H-pyran-3-yl)benzamide CAS 478043-23-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478043-23-1 |
| Molecular Formula | C18H12ClNO3 |
| Molecular Weight | 325.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-N-(2-oxo-6-phenyl-2H-pyran-3-yl)benzamide (CAS 478043-23-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H12ClNO3. Molecular weight: 325.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H12ClNO3 |
| Molecular Weight | 325.75 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-(Benzyloxy)phenyl di(aziridin-1-yl)phosphinate (CAS 4497-73-8)
- 6-((3-Chlorophenyl)amino)-[2,3'-bipyridine]-5-carboxylic acid (CAS 71204-02-9)
- 1-(4-Chlorophenyl)-4-oxo-N-phenyl-1,4-dihydropyridazine-3-carboxamide (CAS 478063-44-4)
- YK-4-279 (CAS 1037184-44-3)
- 3-(2-Chloroethyl)-6-fluoro-1H-indene (CAS 1260900-03-5)
- 1-(3-Fluoro-2-methylbenzyl)piperidin-4-amine dihydrochloride (CAS 1286272-70-5)
- 16-O-Acetyldarutigenol (CAS 1188282-01-0)
- 7-Aminonaphthalen-1-ol hydrochloride (CAS 1082649-42-0)
- 1171500-61-0 N-(tert-Butyl)-6',7'-dimethyl-1'H-spiro[piperidine-4,2'-quinoxalin]-3'-amine MFCD14281797 (CAS 1171500-61-0)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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 13829788188 / jacky.chen@cato-chem.com