2-(2-acetamidophenyl)acetic acid CAS 103205-34-1
| CAS No. | 103205-34-1 |
| Molecular Formula | C10H11NO3 |
| Molecular Weight | 193.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-acetamidophenyl)acetic acid (CAS 103205-34-1), molecular formula C10H11NO3 and molecular weight 193.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(2-acetamidophenyl)acetic acid (C10H11NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 193.20 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
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 | C10H11NO3 |
| Molecular Weight | 193.20 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.) | 1986 |
| Nitrogen Atoms | 1 |
Related acetamidophenyl Standards
- 2-(3-Acetamidophenyl)acetic acid (CAS 37777-54-1)
- 2-Acetamidophenyl acetate (CAS 5467-64-1)
- 3-Acetamidophenyl acetate (CAS 6317-89-1)
- N-(4-acetamidophenyl)acrylamide (CAS 287382-93-8)
- 3-(2-Acetamidophenyl)acrylic acid (CAS 103989-08-8)
- 3-(4-Acetamidophenyl)acrylic acid (CAS 7152-04-7)
- 1-(4-Acetamidophenyl)-2-nitroethene (CAS 20805-52-1)
- 2-(4-Acetamidophenyl)-2-oxoacetic acid (CAS 73549-48-1)
Recommended Standards
- N-(3-Acetyl-2-hydroxyphenyl)acetamide (CAS 103205-33-0)
- 2-Methyl-7-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylic acid (CAS 1032267-56-3)
- 5-Acetamido-2-methylbenzoic acid (CAS 103204-70-2)
- 2-Methyl-1-(4-nitrophenyl)propan-1-one (CAS 10326-99-5)
- 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine-4-acetamide, 6-(4-chlorophenyl)-N-ethyl-8-methoxy-1-methyl- (CAS 1260530-43-5)
- Tetradodecylammonium chloride (CAS 82944-72-7)
- Methyl 3-Amino-1-Boc-2-pyrrolidinecarboxylate (CAS 1779468-71-1)
- 5-aminoquinoline-8-carbonitrile (CAS 573758-03-9)
- 2-(2-Nitrophenyl)thiophene (CAS 51207-30-8)
- 2-[(3,3,3-Trifluoropropyl)sulfonyl]acetic acid (CAS 1409839-17-3)
- (2R,3S)-2-((tert-Butoxycarbonyl)amino)-4,4,4-trifluoro-3-methylbutanoic acid (CAS 1414348-94-9)
- 2-(5-Methoxy-1-methyl-1H-indol-2-yl)ethanamine (CAS 787525-51-3)
- Ethyl 2-(5-amino-6-formylpyridin-2-yl)acetate (CAS 1393558-03-6)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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