3-(2-Chlorophenyl)-7-hydroxycoumarin CAS 263365-32-8
| CAS No. | 263365-32-8 |
| Molecular Formula | C15H9ClO3 |
| Molecular Weight | 272.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(2-Chlorophenyl)-7-hydroxycoumarin under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 3-(2-Chlorophenyl)-7-hydroxycoumarin (CAS 263365-32-8), a certified reference material (molecular formula C15H9ClO3, MW 272.68 g/mol) for analytical method development and quality control.
3-(2-Chlorophenyl)-7-hydroxycoumarin (C15H9ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H9ClO3 |
| Molecular Weight | 272.68 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 Chlorophenyl Standards
- 2-(3-Chlorophenyl)-7-hydroxy-4H-chromen-4-one (CAS 127590-88-9)
- 2-(3-Chlorophenyl)-6-hydroxy-4H-chromen-4-one (CAS 140439-33-4)
- (4-Chlorophenyl)(5-hydroxy-1-benzofuran-3-yl)methanone (CAS 17249-67-1)
- 3-(2-Chlorophenyl)-7-hydroxy-4H-chromen-4-one (CAS 328020-06-0)
- 3-(4-Chlorophenyl)-7-hydroxy-2H-chromen-2-one (CAS 20050-82-2)
- 2-(3-chlorophenyl)-1h-benZimidazole-5-carboxylic acid (CAS 1018278-53-9)
- 5-[(4-chlorophenyl)carbonyl]-2,3-dihydro-1H-1,3-benzodiazol-2-one (CAS 1096942-88-9)
- 2-(2-Chlorophenyl)imidazo[1,2-a]pyridine-3-carboxylic acid (CAS 1267166-99-3)
Recommended Standards
- 2-(3-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one (CAS 620545-89-3)
- 3-(5-Chlorobenzofuran-2-yl)benzoic acid (CAS 835595-05-6)
- 2-(2-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one (CAS 623122-66-7)
- 5-((Tert-butoxycarbonyl)amino)-2-chloronicotinic acid (CAS 885277-14-5)
- N-methylcyclohex-3-en-1-amine (CAS 55611-35-3)
- tert-Butyl 3-hydroxy-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate (CAS 625098-86-4)
- (S)-N-((S)-1-Amino-4-methyl-1-oxopentan-2-yl)pyrrolidine-2-carboxamide (CAS 60016-92-4)
- H-Lys(Aloc)-OH (CAS 6298-03-9)
- (R)-2-(Tetrahydrofuran-2-yl)ethan-1-ol (CAS 71884-84-9)
- 4-(4-Chloro-2-methylphenoxy)-5-methanesulfonyl-2-phenylpyrimidine (CAS 478080-90-9)
- n-(1-(5-Bromothiophen-2-yl)ethyl)propan-1-amine (CAS 1183698-70-5)
- Methyl 4-bromo-2,2-dimethyl-3-oxopyrrolidine-1-carboxylate (CAS 106556-69-8)
- 3-Amino-4-bromo-6-methylpyridazine (CAS 1260890-22-9)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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 18665070610 / Nicole.chen@cato-chem.com