2-Fluoro-1-(1H-imidazol-1-yl)ethanone CAS 161468-13-9
| CAS No. | 161468-13-9 |
| Molecular Formula | C5H5FN2O |
| Molecular Weight | 128.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Fluoro-1-(1H-imidazol-1-yl)ethanone (CAS 161468-13-9), molecular formula C5H5FN2O and molecular weight 128.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H5FN2O, 2-Fluoro-1-(1H-imidazol-1-yl)ethanone contains an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 128.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C5H5FN2O |
| Molecular Weight | 128.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-Amino-5-fluoropyridin-4-ol (CAS 1531950-62-5)
- (5-Fluoropyrimidin-4-yl)methanol (CAS 1803768-61-7)
- 6-Amino-4-fluoropyridin-3-ol (CAS 1804379-24-5)
- 5-Amino-2-fluoropyridin-3-ol (CAS 1394934-07-6)
- N-(2-Fluorophenyl)-2-((3-(o-tolyl)-1,2,4-thiadiazol-5-yl)thio)acetamide (CAS 864918-51-4)
- 5-Bromo-1-ethyl-6-fluoro-2-methylbenzodiazole (CAS 1381944-74-6)
- 4-{[(2-chlorophenyl)methyl]amino}-3-nitrobenzoic acid (CAS 138992-77-5)
- Teneligliptin Impurity 12 (CAS CATO-C4X-176012)
- 1-(1,4-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidine-4-carboxylic acid (CAS 1708268-49-8)
- 6-Fluoroisoquinoline-4-carbaldehyde (CAS 1376260-47-7)
- Hexaethylene Glycol (CAS 2615-15-8)
- 2,3-Diamino-3-iminopropanamide (CAS 75033-23-7)
- 3-Methyl-4-phenylbutan-2-yl formate (CAS 63449-93-4)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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