5-((4-Cyanophenyl)amino)-5-oxopentanoic acid CAS 138109-34-9
| CAS No. | 138109-34-9 |
| Molecular Formula | C12H12N2O3 |
| Molecular Weight | 232.24 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 5-((4-Cyanophenyl)amino)-5-oxopentanoic acid.
5-((4-Cyanophenyl)amino)-5-oxopentanoic acid (CAS 138109-34-9) is a high-purity analytical reference standard with the molecular formula C12H12N2O3 and a molecular weight of 232.24 g/mol.
Based on its molecular formula C12H12N2O3, 5-((4-Cyanophenyl)amino)-5-oxopentanoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 232.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C12H12N2O3 |
| Molecular Weight | 232.24 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.) | 1996 |
| Nitrogen Atoms | 2 |
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- 3-(3-Cyanophenyl)-2-Oxooxazolidine-5-Carboxylic Acid (CAS 1499593-22-4)
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Recommended Standards
- 7-Methoxy-2,4-dimethyl-8-nitroquinoline (CAS 1378259-51-8)
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- n-((1h-Pyrazol-3-yl)methyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 1375203-17-0)
- (2E)-2-Cyano-N-(4,6-dimethylpyrimidin-2-yl)-3-hydroxybut-2-enamide (CAS 139442-75-4)
- 6-Chloro-N4-(4-methoxyphenyl)pyrimidine-4,5-diamine (CAS 17465-98-4)
- 2-(4-Benzoylphenyl)-2-(4-fluorophenyl)acetamide (CAS 860609-43-4)
- 4-[1-(Boc-amino)cyclobutyl]aniline (CAS 1259224-00-4)
- Cyclopentene, polymer with 1,3-pentadiene and 2,4,4-trimethyl-1-pentene (CAS 67923-75-5)
- N-(4-Bromobenzyl)-6-chloropyrimidin-4-amine (CAS 945896-81-1)
- 2,5-Dichloro-m-terphenyl (CAS 215508-04-6)
- 1-(1H-Pyrrolo[2,3-b]pyridin-3-yl)ethanone (CAS 83393-46-8)
- 2-(3,5-Dichloro-4-methoxyphenyl)benzo[d]oxazol-5-amine (CAS 293738-00-8)
- Ethyl 8-bromo-6-fluoro-4-hydroxyquinoline-3-carboxylate (CAS 1019015-67-8)
- Tau Peptide (245-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 1428134-39-7)
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