2-(2-Oxo-2-phenylethyl)isoindoline-1,3-dione CAS 1032-67-3
| CAS No. | 1032-67-3 |
| Molecular Formula | C16H11NO3 |
| Molecular Weight | 265.26 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-Oxo-2-phenylethyl)isoindoline-1,3-dione (CAS 1032-67-3), molecular formula C16H11NO3 and molecular weight 265.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H11NO3, 2-(2-Oxo-2-phenylethyl)isoindoline-1,3-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 265.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 2-(2-Oxo-2-phenylethyl)isoindoline-1,3-dione 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 | C16H11NO3 |
| Molecular Weight | 265.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 3-(2-Oxo-2-phenylethyl)-2h-1,4-benzoxazin-2-one (CAS 61553-69-3)
- 4-N-(2-phenylethyl)quinazoline-4,7-diamine (CAS 1462347-30-3)
- 4-N-(1-phenylethyl)quinazoline-2,4-diamine (CAS 1501156-14-4)
- N-(1-phenylethyl)-1H-indole-3-carboxamide (CAS 18211-34-2)
- Phenylethyl diethylmalonate (CAS 76-67-5)
- 1-(2-Oxo-2-phenylethyl)quinazolin-4(1H)-one (CAS 60007-49-0)
- 3-(2-Oxo-2-phenylethyl)quinoxalin-2(1h)-one (CAS 22298-77-7)
- 1-(1-Phenylethyl)-1H-indazole-3-carboxylic acid (CAS 1450657-98-3)
Recommended Standards
- 4-Methoxy-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinoline-5-carboxylic acid (CAS 1030879-74-3)
- 2-(4-Methylbenzoyl)isoindoline-1,3-dione (CAS 104496-89-1)
- 1-Methyl-N-[4-(trifluoromethoxy)phenyl]-1-hydrazinecarbothioamide (CAS 1022545-32-9)
- 3-Benzamidohexanedioic acid (CAS 106269-54-9)
- 2,6-Dimethylimidazo[1,2-b]pyridazine-3-carboxylicacid (CAS 1518631-38-3)
- Ethyl 6-methoxyquinoline-2-carboxylate (CAS 100393-79-1)
- (-)-Cholesterol NHS succinate (CAS 88848-79-7)
- 6-Bromobenzo[d]thiazole-2-carbaldehyde (CAS 1216086-64-4)
- 1-((1H-Indol-3-yl)methyl)-1H-benzo[d]imidazole (CAS 19714-17-1)
- 2-(tert-butyl) 8-methyl 3,4-dihydroisoquinoline-2,8(1H)-dicarboxylate (CAS 1824285-72-4)
- 1-(1-cyclopropylethyl)piperazine hydrochloride (CAS 1337880-65-5)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-N-(4-isopropylphenyl)benzenesulfonamide (CAS 338775-57-8)
- 3-Chloro-7-methyl-1H-pyrrolo[2,3-c]pyridine (CAS 1190313-79-1)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
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