2-(2,3-Dichlorophenyl)-1,3-dioxoisoindoline-5-carboxylic acid CAS 313260-34-3
| CAS No. | 313260-34-3 |
| Molecular Formula | C15H7Cl2NO4 |
| Molecular Weight | 336.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-(2,3-Dichlorophenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 313260-34-3) is a high-purity analytical reference standard with the molecular formula C15H7Cl2NO4 and a molecular weight of 336.13 g/mol.
Based on its molecular formula C15H7Cl2NO4, 2-(2,3-Dichlorophenyl)-1,3-dioxoisoindoline-5-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 2-(2,3-Dichlorophenyl)-1,3-dioxoisoindoline-5-carboxylic acid 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 | C15H7Cl2NO4 |
| Molecular Weight | 336.13 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorophenyl Standards
- 2-(2,5-Dichlorophenyl)-1,3-dioxo-2,3-dihydro-1h-isoindole-5-carboxylic acid (CAS 294861-48-6)
- 2-(3,4-Dichlorophenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 285552-82-1)
- 5-(2,4-Dichlorophenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole (CAS 694521-58-9)
- Ethyl 2-(2,5-dichlorophenyl)imidazo[1,2-b]pyridazine-3-carboxylate (CAS 1426521-24-5)
- Ethyl 2-(2,5-dichlorophenyl)imidazo[1,2-a]pyrazine-3-carboxylate (CAS 1426521-26-7)
- Ethyl 2-(2,5-dichlorophenyl)imidazo[1,2-a]pyrimidine-3-carboxylate (CAS 1426521-28-9)
- 2,4-Dichlorophenyl (3-methylbenzofuran-2-yl)carbamate (CAS 61307-34-4)
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Recommended Standards
- 5-(4-Chloro-3-nitrophenyl)-3-(3-chlorophenyl)-1,2,4-oxadiazole (CAS 1779134-05-2)
- 2-(3-Iodophenyl)-2H-benzo[d][1,2,3]triazol-5-amine (CAS 1706444-45-2)
- 2-(2-Chloro-5-nitrophenyl)-5-(3-chlorophenyl)-1,3,4-oxadiazole (CAS 243644-29-3)
- 4,4,5,5-Tetramethyl-2-(3-((trifluoromethyl)sulfonyl)phenyl)-1,3,2-dioxaborolane (CAS 1356944-00-7)
- Methyl 5-(Hydroxymethyl)pyrazine-2-carboxylate (CAS 1262803-64-4)
- 3-(1H-indol-3-yl)butan-1-ol (CAS 89229-91-4)
- (4-Chlorophenyl)(3,4-dihydroisoquinolin-2(1H)-yl)methanone (CAS 223735-93-1)
- N,N-Dimethyl-N'-(2-(methylthio)pyrimidin-5-yl)formimidamide (CAS 52767-93-8)
- (2R,5S)-1,2,5-trimethylpiperazine;hydrochloride (CAS 1046788-71-9)
- 9-(2-Fluoro-4-nitrophenyl)-9H-carbazole (CAS 1820707-91-2)
- 4-Chlorobicyclo[4.2.0]octa-1,3,5-trien-7-amine (CAS 1781073-33-3)
- 2-Bromo-5-(1-methyl-piperidin-4-ylmethoxy)pyrimidine (CAS 1419101-22-6)
- (R,E)-4-((tert-Butyldimethylsilyl)oxy)pent-2-enoic acid (CAS 2126144-78-1)
- Peptide Impurity 05 (CAS 2322924-83-2)
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