Ethyl 4-(2-ethoxyphenyl)-2,4-dioxobutanoate CAS 1019380-58-5
| CAS No. | 1019380-58-5 |
| Molecular Formula | C14H16O5 |
| Molecular Weight | 264.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-(2-ethoxyphenyl)-2,4-dioxobutanoate (C14H16O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. 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).
Ethyl 4-(2-ethoxyphenyl)-2,4-dioxobutanoate (CAS 1019380-58-5) is a high-purity analytical reference standard with the molecular formula C14H16O5 and a molecular weight of 264.27 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-(2-ethoxyphenyl)-2,4-dioxobutanoate 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 | C14H16O5 |
| Molecular Weight | 264.27 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.) | 1988 |
Related Ethyl Standards
- 2-((5-(2-Ethoxyphenyl)furan-2-yl)methylene)malononitrile (CAS 853312-15-9)
- 2-[(4-Ethoxyphenyl)amino]-1,3-thiazole-4-carboxylic acid (CAS 1176721-69-9)
- 1-(3-Ethoxyphenyl)-2-thioxodihydro-4,6(1H,5H)-pyrimidinedione (CAS 340226-20-2)
- 1-(4-Ethoxyphenyl)-2-thioxodihydro-4,6(1H,5H)-pyrimidinedione (CAS 91393-32-7)
- 7-(2-Ethoxyphenyl)-7-oxoheptanoic acid (CAS 898791-63-4)
- 7-(4-Ethoxyphenyl)-7-oxoheptanoic acid (CAS 898791-69-0)
- Ethyl 5-(2-ethoxyphenyl)-5-oxopentanoate (CAS 898757-39-6)
- Ethyl 5-(3-ethoxyphenyl)-5-oxopentanoate (CAS 951889-06-8)
Recommended Standards
- 3-[7-(difluoromethyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1018053-30-9)
- (2Z)-2-{[(2,4-difluorophenyl)amino]methylidene}-4,4-dimethyl-3-oxopentanenitrile (CAS 1024619-72-4)
- 2-(4-(trifluoromethyl)piperidin-1-yl)thiazole-5-carbaldehyde (CAS 1000339-88-7)
- 2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic Acid Phenylmethyl Ester (CAS 1049703-02-7)
- 3-Chloropropionamide (CAS 5875-24-1)
- (2,2-Diethoxyethyl)hydrazine (CAS 42351-81-5)
- 2,6-Diethyl-2,3,6-trimethyl-1-piperidinyloxy (CAS 61746-17-6)
- 2-(Pyridin-3-yl)pyridin-3-ol (CAS 380849-23-0)
- 1-(6-(Methylsulfonyl)pyrimidin-4-yl)piperidine-3-carboxylic acid (CAS 1708080-67-4)
- 4-(4-Chloro-3-methylphenoxy)aniline (CAS 57688-18-3)
- Amoxicillin double side chain impurity (CAS CATO-C4X-114840)
- Lamivudine-13C1-d2 (CAS CATO-C4X-119414)
- 5-Ethynyl-2-fluorobenzonitrile (CAS 1093306-86-5)
- semaglutide (CAS 782487-28-9)
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