4-((2-Carbamoylphenyl)amino)-4-oxobutanoic acid CAS 306325-56-4
| CAS No. | 306325-56-4 |
| Molecular Formula | C11H12N2O4 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-((2-Carbamoylphenyl)amino)-4-oxobutanoic acid (C11H12N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 236.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-((2-Carbamoylphenyl)amino)-4-oxobutanoic acid (CAS 306325-56-4), molecular formula C11H12N2O4 and molecular weight 236.22 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O4 |
| Molecular Weight | 236.22 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, ethanol, DMSO |
| 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related Carbamoylphenyl Standards
- 4-((3-Carbamoylphenyl)amino)-4-oxobutanoic acid (CAS 74182-38-0)
- 4-((4-Carbamoylphenyl)amino)-4-oxobutanoic acid (CAS 303214-83-7)
- (E)-4-((4-carbamoylphenyl)amino)-4-oxobut-2-enoic acid (CAS 123558-03-2)
- n-(2-Carbamoylphenyl)benzamide (CAS 18543-22-1)
- n-(2-Carbamoylphenyl)furan-2-carboxamide (CAS 59490-97-0)
- 5-(3-Carbamoylphenyl)picolinic acid (CAS 1261912-75-7)
- N-(2-Carbamoylphenyl)-1H-pyrrole-2-carboxamide (CAS 89812-80-6)
- N-(4-Carbamoylphenyl)-3-methylisoxazole-5-carboxamide (CAS 62536-30-5)
Recommended Standards
- 3-Oxobutyl furo[2,3-c]pyridazine-5-carboxylate (CAS 88793-59-3)
- 4-((3,5-Dimethylisoxazol-4-yl)methyl)-5-methylisoxazole-3-carboxylic acid (CAS 887679-11-0)
- 3-Nitro-7,8-dihydro-5H-spiro[quinoline-6,2'-[1,3]dioxolane] (CAS 881668-72-0)
- 3-Nitro-4-(1-pyrrolidinyl)benzoic Acid (CAS 40832-81-3)
- N-(2,6-Dimethylpyridin-4-yl)acetamide (CAS 179022-67-4)
- 1-(8-Bromo-7-fluoro-3-methyl-1,2,3,4-tetrahydroisoquinolin-1-yl)ethanone (CAS 2535047-29-9)
- 2-chloro-N-(cyclohexylmethyl)propanamide (CAS 596807-98-6)
- (3-Isopropoxy-4-methylphenyl)methanol (CAS 2302800-01-5)
- tert-Butyl 4-(2-amino-3-fluorophenoxy)piperidine-1-carboxylate (CAS 1286264-75-2)
- Piperophos (CAS 24151-93-7)
- 4-(propane-1-sulfonyl)benzene-1-sulfonyl chloride (CAS 1250742-44-9)
- Sodium 5-butylbenzo[d][1,2,3]triazol-1-ide (CAS 118685-34-0)
- 2,3,9-Trimethyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 59562-51-5)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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