Methyl 4-((4-fluoro-3-nitrophenyl)amino)-4-oxobutanoate CAS 331461-03-1
| CAS No. | 331461-03-1 |
| Molecular Formula | C11H11FN2O5 |
| Molecular Weight | 270.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 4-((4-fluoro-3-nitrophenyl)amino)-4-oxobutanoate (CAS 331461-03-1) is a high-purity analytical reference standard with the molecular formula C11H11FN2O5 and a molecular weight of 270.21 g/mol.
Structurally, Methyl 4-((4-fluoro-3-nitrophenyl)amino)-4-oxobutanoate (C11H11FN2O5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 270.21 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures Methyl 4-((4-fluoro-3-nitrophenyl)amino)-4-oxobutanoate 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 | C11H11FN2O5 |
| Molecular Weight | 270.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
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Recommended Standards
- methyl 2-[4-(trifluoromethyl)phenyl]-1H-imidazole-4-carboxylate (CAS 762286-20-4)
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- (E)-tert-Butyl (3-cyclopropyl-4-oxo-1,3,8-triazaspiro[4.5]decan-2-ylidene)carbamate oxalate (CAS 1956426-52-0)
- 1-(3-Chlorophenoxy)-3-methylbenzene (CAS 74917-52-5)
- 2-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)-4-(((4-chlorophenyl)thio)methyl)thiazole (CAS 303998-72-3)
- 1-(Cyclopropylmethyl)-1h-benzo[d]imidazole-4-carboxylic acid (CAS 1547187-44-9)
- Methyl 1,6-dimethyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 302932-49-6)
- 5-Bromo-6-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid (CAS 1227269-29-5)
- Avatrombopag Impurity 75 (CAS CATO-C4X-223475)
- 5-(4-Bromo-3-chlorophenyl)-1,3-oxazole (CAS 1997950-54-5)
- 3-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096338-99-5)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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