4-(4-nitro-phenyl)-3-oxo-butyric acid ethyl ester CAS 62088-12-4
| CAS No. | 62088-12-4 |
| Molecular Formula | C12H13NO5 |
| Molecular Weight | 251.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-nitro-phenyl)-3-oxo-butyric acid ethyl ester (C12H13NO5) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4-(4-nitro-phenyl)-3-oxo-butyric acid ethyl ester (CAS 62088-12-4), a certified reference material (molecular formula C12H13NO5, MW 251.24 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.
CATO manufactures 4-(4-nitro-phenyl)-3-oxo-butyric acid ethyl ester 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 | C12H13NO5 |
| Molecular Weight | 251.24 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, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
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- tert-Butyl 3-(hydroxymethyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 243858-66-4)
- cis-hexahydro-1H-thieno[3,4-c]pyrrole hydrochloride (CAS 179339-70-9)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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