3-(4-Chlorophenyl)-7-hydroxy-2-methyl-4H-chromen-4-one CAS 314243-91-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 314243-91-9 |
| Molecular Formula | C16H11ClO3 |
| Molecular Weight | 286.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chlorophenyl)-7-hydroxy-2-methyl-4H-chromen-4-one (CAS 314243-91-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H11ClO3. Molecular weight: 286.71 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H11ClO3 |
| Molecular Weight | 286.71 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 3-(4'-Chlorophenyl)-6-methoxycoumarin (CAS 262591-08-2)
- 3-(4-Chlorophenyl)-7-hydroxy-4-methyl-2h-chromen-2-one (CAS 31913-52-7)
- 3-(4-Chlorophenyl)-6-hydroxy-4-methyl-2h-chromen-2-one (CAS 720674-96-4)
- 2-Amino-1-(4-chloro-3-fluorophenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile (CAS 1308610-67-4)
- N-(5-(2-Methoxyethoxy)pyrimidin-2-yl)-4-methylbenzenesulfonamide (CAS 5501-44-0)
- 5-Methyl-1H-benzo[d]imidazol-6-amine (CAS 177843-72-0)
- 2-(7-Methoxy-2,3-dihydro-1H-inden-4-yl)acetic acid (CAS 1423699-91-5)
- (3-(2'-(2-Acetamidoethyl)-[2,4'-bithiazole]-4-carboxamido)propyl)dimethylsulfonium chloride (CAS 81645-12-7)
- 2-(1-(2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethyl)-1H-1,2,3-triazol-4-yl)propan-2-ol (CAS 957035-00-6)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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