3-(2-Chlorophenoxy)-7-hydroxy-4H-chromen-4-one CAS 433257-59-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 433257-59-1 |
| Molecular Formula | C15H9ClO4 |
| Molecular Weight | 288.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2-Chlorophenoxy)-7-hydroxy-4H-chromen-4-one (CAS 433257-59-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C15H9ClO4. Molecular weight: 288.68 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H9ClO4 |
| Molecular Weight | 288.68 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 Chlorophenoxy Standards
- 3-(4-Chlorophenoxy)-7-hydroxy-4H-1-benzopyran-4-one (CAS 137987-94-1)
- 2-(4-Chlorophenoxy)-1-(2-thioxothiazolidin-3-yl)ethan-1-one (CAS 123529-83-9)
- 5-((2-(2-Chlorophenoxy)ethyl)thio)-1,3,4-thiadiazol-2-amine (CAS 404376-76-7)
- 3-(2-Benzyl-4-chlorophenoxy)pyrrolidine (CAS 946760-55-0)
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- 1-(2-(4-Chlorophenoxy)ethyl)-1H-benzo[d]imidazol-2-amine (CAS 364617-45-8)
- 2-[(3-Chlorophenoxy)methyl]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 220966-20-1)
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Recommended Standards
- 2-Chloro-9-(4,4-difluorocyclohexyl)-7,9-dihydro-8H-purin-8-one (CAS 2408841-94-9)
- 4-Chloro-3-(3-methoxypropoxy)-5-nitrobenzamide (CAS 2138302-17-5)
- 2-Chloro-6-(thiophen-2-yl)-4-(trifluoromethyl)nicotinonitrile (CAS 286430-58-8)
- 2-(2,3,3-Trimethylbicyclo[2.2.1]hept-2-yl)phenolDISCONTINUED (CAS 66405-95-6)
- (S)-4-Nitrophenyl 2,6-bis(((benzyloxy)carbonyl)amino)hexanoate (CAS 21160-82-7)
- Nickel(II) phosphate (CAS 10381-36-9)
- (E)-N-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]({4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl})methylidene}hydroxylamine (CAS 320420-34-6)
- 4-Hydroxy-1,5-naphthyridine-3-carbonitrile (CAS 305371-00-0)
- 2-Chloro-N-(4-chloro-3-methylphenyl)acetamide (CAS 99585-90-7)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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