3-(4-Methoxy-3-nitrobenzylidene)dihydrofuran-2(3H)-one CAS 93041-56-6
| CAS No. | 93041-56-6 |
| Molecular Formula | C12H11NO5 |
| Molecular Weight | 249.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Methoxy-3-nitrobenzylidene)dihydrofuran-2(3H)-one (CAS 93041-56-6), molecular formula C12H11NO5 and molecular weight 249.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Methoxy-3-nitrobenzylidene)dihydrofuran-2(3H)-one (C12H11NO5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 249.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C12H11NO5 |
| Molecular Weight | 249.22 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 3,4-Difluoro-N-(2-methylpyrimidin-5-yl)benzamide (CAS 582323-17-9)
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- 2-([3-(Trifluoromethyl)phenyl]methyl)oxirane (CAS 713-71-3)
- 4-Fluoro-5-iodo-1H-pyrrolo[2,3-b]pyridine (CAS 1638765-44-2)
- Methyl (4-fluorobenzyl)glycinate (CAS 696588-45-1)
- 1-Methyl-2,5-dioxo-4-propylimidazolidine-4-carbaldehyde (CAS 5471-57-8)
- N-(9-(Trimethylsilyl)-9H-purin-6-yl)benzamide (CAS 60855-35-8)
- 3-(3,4-Dimethoxyphenyl)prop-2-yn-1-ol (CAS 6258-35-1)
- Methyl 3-(2-(2,2-difluoroethyl)-3,4-dimethyl-6-oxo-2,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)propanoate (CAS 1018127-66-6)
- Tulobuterol Impurity 8 (CAS 69240-90-0)
- (Asn5)-Delta-Sleep Inducing Peptide (H-2555.0005) (CAS 80064-67-1)
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