1-(3-Acetyl-2-hydroxy-5-methyl-phenyl)-ethanone CAS 55108-28-6
| CAS No. | 55108-28-6 |
| Molecular Formula | C11H12O3 |
| Molecular Weight | 192.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H12O3, 1-(3-Acetyl-2-hydroxy-5-methyl-phenyl)-ethanone contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 192.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 1-(3-Acetyl-2-hydroxy-5-methyl-phenyl)-ethanone (CAS 55108-28-6), a certified reference material (molecular formula C11H12O3, MW 192.21 g/mol) for analytical method development and quality control.
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 | C11H12O3 |
| Molecular Weight | 192.21 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
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Recommended Standards
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- 3-((Pyridin-3-ylmethyl)amino)propan-1-ol (CAS 6951-00-4)
- Cefepime EP Impurity D Sodium Salt (CAS 78172-35-7)
- (4-(3-(3-Chlorophenyl)ureido)phenyl)boronic acid (CAS 832694-87-8)
- 1-(1-Hydroxy-2-methyl-1H-pyrrolo[2,3-c]pyridin-3-yl)ethanone (CAS 67058-64-4)
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- 4-Chloro-2-(piperidin-1-yl)aniline (CAS 1211539-92-2)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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