(E)-4-((Methoxycarbonyl)amino)-4-oxobut-2-enoic acid CAS 1820748-76-2
| CAS No. | 1820748-76-2 |
| Molecular Formula | C6H7NO5 |
| Molecular Weight | 173.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-((Methoxycarbonyl)amino)-4-oxobut-2-enoic acid (CAS 1820748-76-2) is a high-purity analytical reference standard with the molecular formula C6H7NO5 and a molecular weight of 173.12 g/mol.
(E)-4-((Methoxycarbonyl)amino)-4-oxobut-2-enoic acid (C6H7NO5) contains a carbohydrate-derived structure, an amide group. 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-((Methoxycarbonyl)amino)-4-oxobut-2-enoic 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 | C6H7NO5 |
| Molecular Weight | 173.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-(methoxycarbonyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1251924-30-7)
- (S)-2-((Methoxycarbonyl)amino)pent-4-enoic acid (CAS 1007880-15-0)
- 1-((METHOXYCARBONYL)AMINO)CYCLOBUTANE-1-CARBOXYLIC ACID (CAS 1007880-27-4)
- 1-(methoxycarbonyl)pyrrolidine-2-carboxylic acid (CAS 134250-76-3)
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Recommended Standards
- 2-(Difluoromethyl)-4-hydroxypyridine-5-carboxaldehyde (CAS 1806777-95-6)
- N-(Glycoloyloxy)-succinimide (CAS 19374-87-9)
- 2-(Difluoromethyl)-4-hydroxypyridine-3-carboxaldehyde (CAS 1806777-86-5)
- 4-Amino-2,3-difluorobenzoic Acid (CAS 194804-85-8)
- tert-Butyl 3-hydroxy-3-vinylpyrrolidine-1-carboxylate (CAS 1375303-06-2)
- 3-(2,4-Dimethylphenyl)-5-phenyl-1H-1,2,4-triazole (CAS 85303-90-8)
- Heptadeca-1,8-dien-4,6-diyne-3,10-diol (CAS 63910-76-9)
- n-(4,5-Dimethylbenzo[d]thiazol-2-yl)acetamide (CAS 864860-71-9)
- tert-Butyl (S)-(3-cyclohexyl-1-(methoxy(methyl)amino)-1-oxopropan-2-yl)carbamate (CAS 115766-13-7)
- Cholesterol hexyl carbonate (CAS 15455-80-8)
- 1-Bromo-2-(tert-butoxymethyl)-3-methylbutane (CAS 1496966-83-6)
- Methyl 4-(5-(4-(pentyloxy)phenyl)isoxazol-3-yl)benzoate (CAS 179162-64-2)
- 4-[(1,3-dimethyl-1h-pyrazol-4-yl)methoxy]aniline (CAS 1006466-99-4)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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