2,5-Diiodofluorobenzene CAS 147808-02-4
| CAS No. | 147808-02-4 |
| Molecular Formula | C6H3FI2 |
| Molecular Weight | 347.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 347.90 g/mol gives 2,5-Diiodofluorobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,5-Diiodofluorobenzene (CAS 147808-02-4), molecular formula C6H3FI2 and molecular weight 347.90 g/mol, is a CATO reference standard with documented purity and traceability.
2,5-Diiodofluorobenzene (C6H3FI2) contains fluorine/iodine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C6H3FI2 |
| Molecular Weight | 347.90 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F/I-containing |
Recommended Standards
- 1-((5-Chlorothiophen-2-yl)sulfonyl)-4-(thiophen-2-yl)piperidine (CAS 1396815-45-4)
- 1-Fluoro-2,3-diiodobenzene (CAS 501433-02-9)
- tert-butyl 2'-chloro-4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]-1-carboxylate (CAS 1307248-45-8)
- 2-Fluoro-1,3-diiodobenzene (CAS 501433-04-1)
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- 2-(4-Nitrophenyl)-[1,2,4]triazolo[1,5-a]pyrazine (CAS 143211-63-6)
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- N-(2-aminophenyl)cyclopentanecarboxamide (CAS 926217-21-2)
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