3-(2-Chlorophenyl)-7-hydroxy-2-methyl-4H-1-benzopyran-4-one CAS 328019-68-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328019-68-7 |
| Molecular Formula | C16H11ClO3 |
| Molecular Weight | 286.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-(2-Chlorophenyl)-7-hydroxy-2-methyl-4H-1-benzopyran-4-one (CAS 328019-68-7) pharmaceutical standards reference standard. Molecular formula: C16H11ClO3. Molecular weight: 286.71 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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 |
Related Chlorophenyl Standards
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- 3-(4-Chlorophenyl)-2-(4-nitrophenyl)propanenitrile (CAS 1254177-53-1)
- 2-(2-(4-Chlorophenyl)imidazo[1,2-a]pyridin-3-yl)acetic acid (CAS 17745-06-1)
- (2E)-2-[2-(2-Chlorophenyl)hydrazin-1-ylidene]-3-oxo-3-phenylpropanal (CAS 339279-47-9)
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Recommended Standards
- 3-(2’-Chlorophenyl)-7-methoxycoumarin (CAS 263365-37-3)
- 3-(4-Chlorophenyl)-6-hydroxy-4-methyl-2h-chromen-2-one (CAS 720674-96-4)
- 2-Chloro-N-(2-oxoindolin-5-yl)benzamide (CAS 921545-53-1)
- Benzyl 2-(tert-butyl)-3-methyl-4-oxoimidazolidine-1-carboxylate (CAS 111610-19-6)
- D-Histidine, 1-[(1,1-dimethylethoxy)carbonyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, compd. with cyclohexanamine (1:1) (CAS 210755-31-0)
- 3-Iodo-5-(trifluoromethyl)pyridine (CAS 1214333-22-8)
- (3-Chloro-2-iodophenyl)methanol (CAS 1261614-27-0)
- 2-(4,5-Dimethoxy-2-(indolin-1-ylsulfonyl)phenyl)acetic acid (CAS 1797040-31-3)
- 2-Bromo-5-fluoro-N,N-dimethylbenzamide (CAS 951884-08-5)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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