Ethyl 4-hydroxy-7-nitro-2,3-dihydrobenzofuran-6-carboxylate CAS 2888554-10-5
| CAS No. | 2888554-10-5 |
| Molecular Formula | C11H11NO6 |
| Molecular Weight | 253.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-hydroxy-7-nitro-2,3-dihydrobenzofuran-6-carboxylate (C11H11NO6) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ethyl 4-hydroxy-7-nitro-2,3-dihydrobenzofuran-6-carboxylate (CAS 2888554-10-5) is a high-purity analytical reference standard with the molecular formula C11H11NO6 and a molecular weight of 253.21 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.
CATO manufactures Ethyl 4-hydroxy-7-nitro-2,3-dihydrobenzofuran-6-carboxylate 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 | C11H11NO6 |
| Molecular Weight | 253.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Ethyl 2-(4-formyl-2-nitrophenoxy)acetate (CAS 420786-61-4)
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- Methyl 3-(acetoxymethyl)-4-nitrobenzoate (CAS 201933-03-1)
- (3,4-Dimethylphenyl)(3-(pyrrolidin-1-ylmethyl)phenyl)methanone (CAS 898770-46-2)
- 4-(Dicyanomethylene)-2-methyl-6-[2-(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)vinyl]-4H-pyran (CAS 51325-95-2)
- 3-Chloro-2-nitrobenzonitrile (CAS 34662-28-7)
- 2-Methyl-1-(2-(trifluoromethoxy)phenyl)propan-2-ol (CAS 1443344-47-5)
- (5E)-5-(2,6-Dichlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 65562-49-4)
- 3-Phenyl-6,7-dihydro-1H-indazol-4(5H)-one (CAS 96546-38-2)
- Iodoacetamide (CAS 144-48-9)
- 4-Benzyloxybenzoic acid (CAS 1486-51-7)
- 5-Fluoro-3-(trifluoromethyl)benzene-1,2-diamine (CAS 179062-02-3)
- Semaglutide Impurity 4 (CAS CATO-C4X-22264)
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