(4-Acetyl-2-methoxy-phenoxy)-acetic acid CAS 68461-48-3
| CAS No. | 68461-48-3 |
| Molecular Formula | C6H6NO6 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 274.65 g/mol gives (4-Acetyl-2-methoxy-phenoxy)-acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4-Acetyl-2-methoxy-phenoxy)-acetic acid (CAS 68461-48-3) is a high-purity analytical reference standard with the molecular formula C6H6NO6CuNa and a molecular weight of 274.65 g/mol.
The molecular framework of (4-Acetyl-2-methoxy-phenoxy)-acetic acid (C6H6NO6CuNa) is characterized by a carbohydrate-derived structure, an amide group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
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), (4-Acetyl-2-methoxy-phenoxy)-acetic 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 | C6H6NO6 Cu 2*Na |
| Molecular Weight | 274.65 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
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