3-(Phenylimino)isobenzofuran-1(3H)-one CAS 487-42-3
| CAS No. | 487-42-3 |
| Molecular Formula | C14H9NO2 |
| Molecular Weight | 223.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(Phenylimino)isobenzofuran-1(3H)-one (C14H9NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 223.23 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-(Phenylimino)isobenzofuran-1(3H)-one (CAS 487-42-3) is a high-purity analytical reference standard with the molecular formula C14H9NO2 and a molecular weight of 223.23 g/mol.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H9NO2 |
| Molecular Weight | 223.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-(Aminomethyl)-6,7-dimethoxyisobenzofuran-1(3H)-one (CAS 91134-22-4)
- 3-(Pyridin-2-yl)-2H-chromen-2-one (CAS 837-97-8)
- 3-(4-Formylphenoxy)benzonitrile (CAS 90208-22-3)
- 3-(Pyridin-2-yl)quinoxalin-2(1H)-one (CAS 7755-93-3)
- N-(2,4-dichlorophenyl)-8-methoxy-2H-chromene-3-carboxamide (CAS 338759-88-9)
- tert-butyl (R)-(2-(methylamino)propyl)carbamate (CAS 454709-96-7)
- 3-(Benzo[d]thiazol-2-yl)-2-phenylquinazolin-4(3H)-one (CAS 82450-40-6)
- Meloxicam Impurity 8 (CAS 125372-22-7)
- 4-Oxo-2-(p-tolyl)-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-30-3)
- 4-Amino-7-hydroxy-2H-chromen-2-one (CAS 244049-27-2)
- (2S,3aS,6aS)-Benzyl octahydrocyclopenta[b]pyrrole-2-carboxylate (CAS 93779-31-8)
- (2E)-3-(4-Bromophenyl)-2-[2-(4-chlorophenyl)hydrazin-1-ylidene]-3-oxopropanal (CAS 338414-04-3)
- 1-Ethyl-5,7-dimethyl-1,2,3,4-tetrahydroquinolin-6-ol (CAS 142827-47-2)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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