6-Fluoro-4-iodo-1H-indazole CAS 887567-89-7
| CAS No. | 887567-89-7 |
| Molecular Formula | C7H4FIN2 |
| Molecular Weight | 262.02 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.
6-Fluoro-4-iodo-1H-indazole (CAS 887567-89-7) is a high-purity analytical reference standard with the molecular formula C7H4FIN2 and a molecular weight of 262.02 g/mol.
6-Fluoro-4-iodo-1H-indazole (C7H4FIN2) contains a nitrile group, 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. 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).
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 | C7H4FIN2 |
| Molecular Weight | 262.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/I-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 6-fluoro-4-iodo-1H-benzo[d]imidazole (CAS 1000308-33-7)
- 4-Fluoro-7-iodo-1H-indazole (CAS 1000341-76-3)
- 4-Fluoro-5-iodo-1H-indazole (CAS 1082041-87-9)
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- 7-Fluoro-3-iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1190320-13-8)
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Recommended Standards
- 5-Fluoro-7-iodo-1H-indazole (CAS 2090315-40-3)
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- 5-Fluoro-3-iodo-1H-pyrrolo[2,3-c]pyridine (CAS 2231675-12-8)
- 7-Fluoro-3-iodoimidazo[1,2-a]pyridine (CAS 2089326-83-8)
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