3-(4-Chlorophenyl)-6-hydroxy-4-methyl-2h-chromen-2-one CAS 720674-96-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 720674-96-4 |
| Molecular Formula | C16H11ClO3 |
| Molecular Weight | 286.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chlorophenyl)-6-hydroxy-4-methyl-2h-chromen-2-one (CAS 720674-96-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H11ClO3. Molecular weight: 286.71 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1986 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 2-(3-Chlorophenyl)-6,7-dihydro-1H-[1,4]dioxino[2',3':4,5]benzo[1,2-d]imidazole (CAS 1097819-40-3)
- 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)
- (2E)-3-(4-Chlorophenyl)-3-oxo-2-(2-phenylhydrazin-1-ylidene)propanal (CAS 337512-10-4)
- (4-Chlorophenyl)(6-methoxybenzofuran-2-yl)methanone (CAS 82158-47-2)
- (E)-4-(3-(2-Chlorophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 2651958-64-2)
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Recommended Standards
- 3-(2-Chlorophenyl)-7-hydroxy-2-methyl-4H-1-benzopyran-4-one (CAS 328019-68-7)
- 3-(4'-Chlorophenyl)-6-methoxycoumarin (CAS 262591-08-2)
- 3-(2’-Chlorophenyl)-7-methoxycoumarin (CAS 263365-37-3)
- (2-(3-Methyl-1,2,4-oxadiazol-5-yl)phenyl)methanol (CAS 879896-55-6)
- 3-(Aminomethyl)-4-methoxybenzenesulfonamide (CAS 918810-55-6)
- Diphenyl pentylphosphonate (CAS 21645-07-8)
- 2-(6,7-Dimethoxy-2-methyl-4-oxoquinazolin-3(4H)-yl)acetic acid (CAS 1322604-66-9)
- 6-(4-Ethoxyphenyl)imidazo[2,1-b]thiazole (CAS 442535-52-6)
- 2-(2-Benzyl-4-chlorophenoxy)propanoic acid (CAS 13794-03-1)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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