3-(3-Chlorophenyl)-3-(2,4-dihydroxyphenyl)isobenzofuran-1(3H)-one CAS 6310-70-9
| CAS No. | 6310-70-9 |
| Molecular Formula | C20H13ClO4 |
| Molecular Weight | 352.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(3-Chlorophenyl)-3-(2,4-dihydroxyphenyl)isobenzofuran-1(3H)-one (CAS 6310-70-9), a certified reference material (molecular formula C20H13ClO4, MW 352.77 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H13ClO4, 3-(3-Chlorophenyl)-3-(2,4-dihydroxyphenyl)isobenzofuran-1(3H)-one contains a flavonoid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 352.77 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-(3-Chlorophenyl)-3-(2,4-dihydroxyphenyl)isobenzofuran-1(3H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H13ClO4 |
| Molecular Weight | 352.77 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 |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 3-(2-Chlorophenyl)-N-(1H-indazol-5-yl)-5-methylisoxazole-4-carboxamide (CAS 497060-49-8)
- 4-(1-(3-Chlorophenyl)-6-hydroxy-1H-indazol-3-yl)benzene-1,3-diol (CAS 680610-81-5)
- 2-((4-Chlorophenyl)thio)-N-(2-methoxy-5-nitrophenyl)acetamide (CAS 461399-66-6)
- 3-(2-Chlorophenyl)-N-(4-fluorophenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 890635-53-7)
- 3-(3-Chlorophenyl)-5-((2,6-difluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 578698-20-1)
- 3-(4-Chlorophenyl)-5-((2,6-difluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 577790-80-8)
- 3-(4-Chlorophenyl)-6-(4-fluorophenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 439107-57-0)
- 5-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-(trifluoromethyl)-1H-pyrazole (CAS 188817-13-2)
Recommended Standards
- 3-(3-Ethoxyphenyl)-5-(o-tolyl)-1H-1,2,4-triazole (CAS 3150-82-1)
- 2-((1H-Indol-3-yl)methyl)-8-chloro-3-hydroxyquinoline-4-carboxylic acid (CAS 924634-64-0)
- 143230-42-6 2-(2-(6-Chloro-pyrimidin-4-yloxy)-phenyl)-3,3-dimethoxy-propionic acid methyl ester EC 604-340-6 (CAS 143230-42-6)
- 4-(5-(2-Chloro-7-methylquinolin-3-yl)isoxazol-3-yl)benzene-1,3-diol (CAS 650637-58-4)
- 4-Chloro-5-(((4-nitrobenzyl)thio)methyl)isoxazol-3(2H)-one (CAS 89661-10-9)
- 5-(Methylsulfonyl)isoindoline-1-carboxylic acid hydrochloride (CAS 2101237-86-7)
- Flunarizine Dihydrochloride (CAS 30484-77-6)
- 1-((4-Bromophenyl)sulfonyl)pyrrolidine-2-carboxamide (CAS 1097616-75-5)
- 1-(3-Aminopyridin-4-yl)piperidin-4-ol (CAS 1040313-99-2)
- 2-((2-Hydroxyethyl)(3-methoxypropyl)amino)ethyl methacrylate (CAS 93962-70-0)
- 1-Butyl-3-methyl-1H-imidazol-3-ium octyl sulfate (CAS 445473-58-5)
- N-Nitroso N-Methyl-4-Methyl-Aniline (CAS 937-24-6)
- Di-tert-butyl (S)-3-(hydroxymethyl)tetrahydropyridazine-1,2-dicarboxylate (CAS 1633022-18-0)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
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