4,6-Difluoroisobenzofuran-1,3-dione CAS 165730-63-2
| CAS No. | 165730-63-2 |
| Molecular Formula | C8H2F2O3 |
| Molecular Weight | 184.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,6-Difluoroisobenzofuran-1,3-dione (C8H2F2O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 184.10 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4,6-Difluoroisobenzofuran-1,3-dione (CAS 165730-63-2), molecular formula C8H2F2O3 and molecular weight 184.10 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4,6-Difluoroisobenzofuran-1,3-dione 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 | C8H2F2O3 |
| Molecular Weight | 184.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | F-containing |
Related Difluoroisobenzofuran Standards
Recommended Standards
- 4,5-Difluoro-2-nitrobenzonitrile (CAS 165671-05-6)
- 2,5-Difluoro-3-nitrobenzonitrile (CAS 1690818-46-2)
- 2,3-Difluoro-6-nitrobenzonitrile (CAS 157647-01-3)
- 2,5-Difluoro-4-nitrobenzonitrile (CAS 172921-32-3)
- 28705-88-6 4-Hydroxychlorpropham Sulfate (CAS 28705-88-6)
- 2,6-Dichloro-3-(difluoromethyl)pyridine (CAS 1374659-26-3)
- 2-(Azetidin-3-yloxy)-5-chloropyridine (CAS 1342506-37-9)
- Methyl 3-methyl-5-phenylisoxazole-4-carboxylate (CAS 773876-11-2)
- 3-(1H-imidazol-1-yl)cyclohexan-1-one hydrochloride (CAS 1803605-49-3)
- 2-Chloro-4-(diethylamino)pyrimidine (CAS 62968-41-6)
- 2-{[(1-ethyl-3-methyl-1h-pyrazol-4-yl)methyl]amino}ethan-1-ol (CAS 1172946-15-4)
- 2-Chloro-n-{2-[3-(trifluoromethyl)phenoxy]ethyl}acetamide (CAS 1258641-15-4)
- (r)-2-Amino-2-(2,3-dihydro-1h-inden-5-yl)ethan-1-ol (CAS 1213587-62-2)
- Serpent Peptide (CAS 823202-99-9)
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