(E)-4-[3-(Isobutyrylamino)anilino]-4-oxo-2-butenoic acid CAS 940211-58-5
| CAS No. | 940211-58-5 |
| Molecular Formula | C14H16N2O4 |
| Molecular Weight | 276.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (E)-4-[3-(Isobutyrylamino)anilino]-4-oxo-2-butenoic acid.
CATO supplies (E)-4-[3-(Isobutyrylamino)anilino]-4-oxo-2-butenoic acid (CAS 940211-58-5), a certified reference material (molecular formula C14H16N2O4, MW 276.29 g/mol) for analytical method development and quality control.
(E)-4-[3-(Isobutyrylamino)anilino]-4-oxo-2-butenoic acid (C14H16N2O4) 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (E)-4-[3-(Isobutyrylamino)anilino]-4-oxo-2-butenoic acid 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 | C14H16N2O4 |
| Molecular Weight | 276.29 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related E Standards
- (E)-4-[4-(Isobutyrylamino)anilino]-4-oxo-2-butenoic acid (CAS 940210-86-6)
- 3323AF 4-[4-(Isobutyrylamino)anilino]-4-oxobutanoic acid 925050-77-7 C14H18N2O4 (CAS 925050-77-7)
- 3-(Isobutyrylamino)-4-methylbenzoic acid (CAS 915921-46-9)
- 3-(Isobutyrylamino)benzoic acid (CAS 28533-44-0)
- 4-(Isobutyrylamino)benzoic acid (CAS 28547-07-1)
- (2-Isobutyrylamino-acetylamino)-acetic acid (CAS 436096-89-8)
Recommended Standards
- (E)-4-[3-(Butyrylamino)anilino]-4-oxo-2-butenoicacid (CAS 940227-13-4)
- (E)-4-((E)-3-phenylallylidene)isochromane-1,3-dione (CAS 69139-24-8)
- (E)-N-(naphthalen-1-yl)-1-(4-nitrophenyl)methanimine (CAS 967-13-5)
- (E)-2-(3-nitrostyryl)quinoline (CAS 38101-92-7)
- 3-(3-Bromobenzamido)benzoic acid (CAS 413574-81-9)
- 3-(6-Cyclohexyl-Oxy-Pyridin-3-Yl)-Acrylic Acid Ethyl Ester (CAS 912761-01-4)
- Glycine hydrochloride (CAS 6000-43-7)
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- UDP-a-D-Glucose (CAS 133-89-1)
- (S)-3-Amino-4-(4-fluorophenyl)butanoic acid hydrochloride (CAS 331763-68-9)
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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