(3Z)-3-{[(4-methoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one CAS 303995-61-1
| CAS No. | 303995-61-1 |
| Molecular Formula | C16H13NO3 |
| Molecular Weight | 267.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (3Z)-3-{[(4-methoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one (C16H13NO3) 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 267.28 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies (3Z)-3-{[(4-methoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one (CAS 303995-61-1), a certified reference material (molecular formula C16H13NO3, MW 267.28 g/mol) for analytical method development and quality control.
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), (3Z)-3-{[(4-methoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-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 | C16H13NO3 |
| Molecular Weight | 267.28 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Z Standards
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- 3-(5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1082913-19-6)
- 3-(4-Methoxyphenyl)-1-(pyridin-2-yl)-1H-pyrazol-5-ol (CAS 140397-85-9)
- 2-(5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1416341-34-8)
- 2-(5-(3-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 159222-58-9)
- 2-(4-Methoxyphenyl)-1H-benzo[d]imidazole-5-carboxamide (CAS 178970-16-6)
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Recommended Standards
- (3-Aminobenzofuran-2-yl)(4-methoxyphenyl)methanone (CAS 223788-34-9)
- (4’-Cyano-biphenyl-4-yloxy)-acetic acid hydrazide (CAS 379255-77-3)
- (3-Aminobenzofuran-2-yl)(3-methoxyphenyl)methanone (CAS 889997-07-3)
- (4-Bromobutoxy)(tert-butyl)dimethylsilane (CAS 89043-32-3)
- n-(Tert-butyl)-4-methoxy-2,2-dimethylbutan-1-amine (CAS 1339749-81-3)
- (6-Ethoxypyrimidin-4-yl)methanamine (CAS 1439898-25-5)
- 4-butoxy-3-iodo-5-methoxybenZaldehyde (CAS 834914-06-6)
- 1,4-Bis(chloromethoxy)butane (CAS 13483-19-7)
- Lornoxicam impurity 49 (CAS CATO-C4X-201649)
- 4-(4'-Bromo-[1,1'-biphenyl]-3-yl)dibenzo[b,d]furan (CAS 1848987-25-6)
- Lasmiditan Impurity 54 (CAS CATO-C4X-247854)
- benzyl (3R,4S)-3-azido-4-methoxy-pyrrolidine-1-carboxylate (CAS 923004-52-8)
- 21:0 Coenzyme A (CAS 103404-53-1)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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