2-((3-Methoxyphenyl)amino)-2-oxoacetic acid CAS 72269-26-2
| CAS No. | 72269-26-2 |
| Molecular Formula | C9H9NO4 |
| Molecular Weight | 195.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9NO4, 2-((3-Methoxyphenyl)amino)-2-oxoacetic 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 195.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
2-((3-Methoxyphenyl)amino)-2-oxoacetic acid (CAS 72269-26-2), molecular formula C9H9NO4 and molecular weight 195.17 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-((3-Methoxyphenyl)amino)-2-oxoacetic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H9NO4 |
| Molecular Weight | 195.17 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Related Methoxyphenyl Standards
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- 2-((4-Methoxyphenyl)amino)-2-oxoacetic acid (CAS 41374-62-3)
- 2-[(2-methoxyphenyl)amino]acetohydrazide (CAS 112255-65-9)
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Recommended Standards
- 1-Methyl 2-aminoterephthalate (CAS 60728-41-8)
- 1,3-Dioxo-1,2,3,4,5,6-hexahydrocyclopenta[c]pyrrol-4-yl acetate (CAS 62291-40-1)
- 2-((Carboxymethyl)amino)benzoic acid (CAS 612-42-0)
- 1,2-Epoxy-3-(4-nitrophenoxy)propane (CAS 5255-75-4)
- 7-Chlorodibenzo[c,h]acridine (CAS 859745-06-5)
- (6-Fluorobenzofuran-2-yl)methanol (CAS 1089682-02-9)
- Methyl 3-(3-cyclopropyl-1-methyl-1H-pyrazol-4-yl)propiolate (CAS 1354706-96-9)
- n1-Cyclooctyl-n3,n3-dimethylpropane-1,3-diamine (CAS 1021028-72-7)
- N-Benzyl-2-(2,4-dioxo-5-(propan-2-ylidene)thiazolidin-3-yl)acetamide (CAS 860135-60-0)
- 1,1,1-Trifluoro-N-((1S,2S)-2-(phenylthio)-2,3-dihydro-1H-inden-1-yl)methanesulfonamide (CAS 2102520-57-8)
- 2-(Chloromethyl)-6-methoxypyrazine (CAS 1260665-50-6)
- 2,2,2-trifluoroethyl N-(2,4-dichlorophenyl)carbamate (CAS 1087798-16-0)
- (SP-4-1)-[1,3-Bis[2,6-bis(1-propylbutyl)phenyl]-4,5-dichloro-1,3-dihydro-2H-imidazol-2-ylidene]dichloro(3-chloropyridine-κN)-Palladium (CAS 1814936-54-3)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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