Ethyl (3E)-3-cyano-2-oxo-4-(phenylamino)but-3-enoate CAS 1164522-19-3
| CAS No. | 1164522-19-3 |
| Molecular Formula | C13H12N2O3 |
| Molecular Weight | 244.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Ethyl (3E)-3-cyano-2-oxo-4-(phenylamino)but-3-enoate (CAS 1164522-19-3), molecular formula C13H12N2O3 and molecular weight 244.25 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl (3E)-3-cyano-2-oxo-4-(phenylamino)but-3-enoate (C13H12N2O3) contains a nitrogen-containing heterocyclic scaffold, 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 manufactures Ethyl (3E)-3-cyano-2-oxo-4-(phenylamino)but-3-enoate 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 | C13H12N2O3 |
| Molecular Weight | 244.25 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (3Z)-6-Methyl-3-[(2-phenylhydrazin-1-yl)methylidene]-3,4-dihydro-2H-pyran-2,4-dione (CAS 1164466-47-0)
- Methyl 4-(5-Cyclopropyl-1,2,4-oxadiazol-3-yl)benzoate (CAS 1166756-86-0)
- Ethyl3-(pyrimidin-2-yloxy)benzoate (CAS 1159822-51-1)
- 5-Amino-1-(2,5-dimethoxyphenyl)-1H-pyrazole-4-carbonitrile (CAS 1176428-20-8)
- 4-(6-Hydrazineylidene-1,6-dihydropyridazin-3-yl)morpholine (CAS 17259-72-2)
- 2-bromo-4,5-dimethylthiophene-3-carboxylic acid (CAS 175217-22-8)
- 5-Methyl-1H-pyrrolo[3,2-b]pyridin-3-amine (CAS 1190310-46-3)
- 3-((Pent-4-en-1-yloxy)methyl)piperidine hydrochloride (CAS 1220036-89-4)
- 4-(1,2,4-Oxadiazol-3-yl)benzaldehyde (CAS 545424-41-7)
- Fmoc-(S) -β-2-Thiazolepropanoic acid (CAS 1704969-60-7)
- 2-(5-Methyl-3-trifluoromethyl-pyrazol-1-yl)-propionyl chloride (CAS 1171649-27-6)
- Methyl 3,5-diisopropylbenzoate (CAS 1121584-99-3)
- 2-[2-(3,4-Dimethylphenoxy)ethyl]piperidinehydrochloride (CAS 1219949-41-3)
- Semaglutide Sodium Salt (CAS CATO-C4X-222620)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com