(S)-3-(3-Acetylphenyl)-2-oxooxazolidine-5-carboxylic acid CAS 918543-54-1
| CAS No. | 918543-54-1 |
| Molecular Formula | C12H11NO5 |
| Molecular Weight | 249.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (S)-3-(3-Acetylphenyl)-2-oxooxazolidine-5-carboxylic acid (CAS 918543-54-1), a certified reference material (molecular formula C12H11NO5, MW 249.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H11NO5, (S)-3-(3-Acetylphenyl)-2-oxooxazolidine-5-carboxylic 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 249.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C12H11NO5 |
| Molecular Weight | 249.22 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
Related S Standards
- (S)-3-(4-Acetylphenyl)-2-oxooxazolidine-5-carboxylic acid (CAS 918543-55-2)
- 5-((4-Acetylphenyl)amino)-5-oxopentanoic acid (CAS 174885-31-5)
- 5-((3-Acetylphenyl)amino)-5-oxopentanoic acid (CAS 194784-50-4)
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- 3-(3-(4-Acetylphenyl)ureido)propanoic acid (CAS 1017667-78-5)
- 1-(3-Acetylphenyl)-3-(1-hydroxybutan-2-yl)urea (CAS 1258746-37-0)
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- N-(2-Acetylphenyl)heptanamide (CAS 1713577-53-7)
Recommended Standards
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