1-(2,3-Difluoro-6-hydroxyphenyl)ethanone CAS 921609-31-6
| CAS No. | 921609-31-6 |
| Molecular Formula | C8H6F2O2 |
| Molecular Weight | 172.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H6F2O2, 1-(2,3-Difluoro-6-hydroxyphenyl)ethanone contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 172.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
1-(2,3-Difluoro-6-hydroxyphenyl)ethanone (CAS 921609-31-6) is a high-purity analytical reference standard with the molecular formula C8H6F2O2 and a molecular weight of 172.13 g/mol.
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), 1-(2,3-Difluoro-6-hydroxyphenyl)ethanone 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 | C8H6F2O2 |
| Molecular Weight | 172.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,3-Difluoro-5-methylbenzoic acid (CAS 1003709-96-3)
- 2,5-Difluoro-3-methylbenzoic acid (CAS 1003710-01-7)
- 3,5-Difluoro-2-methylbenzoic acid (CAS 1003710-06-2)
- 3,4-Difluoro-5-methylbenzoic acid (CAS 1017778-60-7)
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Recommended Standards
- (3,5-Difluorophenyl)urea (CAS 874840-52-5)
- 1-(2,4-Difluoro-3-hydroxyphenyl)ethanone, 97% (CAS 951163-65-8)
- (2E)-3-{[(1E)-4,4-Difluoro-3-oxo-1-buten-1-yl]amino}acrylonitrile (CAS 627086-04-8)
- 1-(2,5-Difluoro-4-hydroxyphenyl)ethanone (CAS 850142-91-5)
- 2-Propenoic acid, homopolymer, compd. with 1-(dimethylamino)-2-propanol (CAS 168255-30-9)
- 2,5-Dimethyl-1-(prop-2-yn-1-yl)-1h-pyrrole-3-carbaldehyde (CAS 1156750-40-1)
- 3-(2,3,4-Trifluorophenyl)isoxazol-5-amine (CAS 1516576-52-5)
- 2-(4-Methoxyphenyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160262-84-9)
- 1-Fluoro-4-(1,1,2,2-tetrafluoroethoxy)benzene (CAS 887268-36-2)
- 3,3-Dimethoxyheptane (CAS 116549-34-9)
- (2R,3R,4R,5R)-5-(4-Benzamido-5-methyl-2-oxopyrimidin-1(2H)-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-(2-methoxyethoxy)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite (CAS 163759-94-2)
- n-(3-Ethynylphenyl)-3-(1h-pyrazol-1-yl)propanamide (CAS 1305841-63-7)
- o-Tolyl 3,5-Xylyl Ether (CAS 196604-20-3)
- Peptide 432 (CAS CATO-CPTD788432)
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