3-(4-Chlorophenyl)-2H-chromen-2-one CAS 10465-91-5
| CAS No. | 10465-91-5 |
| Molecular Formula | C15H9ClO2 |
| Molecular Weight | 256.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-Chlorophenyl)-2H-chromen-2-one is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-(4-Chlorophenyl)-2H-chromen-2-one (CAS 10465-91-5), a certified reference material (molecular formula C15H9ClO2, MW 256.68 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H9ClO2, 3-(4-Chlorophenyl)-2H-chromen-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(4-Chlorophenyl)-2H-chromen-2-one 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.
Physical & Chemical Properties
| Molecular Formula | C15H9ClO2 |
| Molecular Weight | 256.68 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 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.) | 1959 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 2-(4-Chlorophenyl)-1H-indene-1,3(2H)-dione (CAS 1146-99-2)
- 2-(3-Chlorophenyl)-4H-chromen-4-one (CAS 1849-61-2)
- 2-(4-Chlorophenyl)-5-methyl-1,3-dioxane-5-carboxylic acid (CAS 385381-18-0)
- 2-[(4-chlorophenyl)methyl]pentanedioic acid (CAS 24867-04-7)
- 3-(2’-Chlorophenyl)coumarin (CAS 69976-30-3)
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Recommended Standards
- 6-CHLOROFLAVONE (CAS 10420-73-2)
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- 5-(tert-Butoxycarbonyl)-2-chlorobenzoic acid (CAS 1012342-20-9)
- 6-Chloro-N-((tetrahydro-2H-pyran-4-yl)methyl)nicotinamide (CAS 676626-73-6)
- 2-(4-Chlorophenyl)-2,3,5,6,7,8-hexahydroquinazolin-4(1H)-one (CAS 62582-89-2)
- Thiophene-2-carboximidamide (CAS 54610-75-2)
- 4,4'-(Perfluoro-1,4-phenylene)dipyridine (CAS 607690-76-6)
- 4-((2,3-Dichlorophenoxy)methyl)benzoic acid (CAS 149288-40-4)
- 3-(Ethylamino)-4-nitrophenol (CAS 25186-40-7)
- 1H-Pyrazole, 1-[(3-nitrophenyl)methyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1450642-64-4)
- 2,7-Dibromoanthraquinone (CAS 605-42-5)
- 1-(Piperazine-1-carbonyl)piperidine-3-carboxylic acid hydrochloride (CAS 1172442-08-8)
- Mast Cell Degranulating (MCD) Peptide HR-2 (CAS 80388-04-1)
Why CATO?
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