7-Fluoro-3-iodo-1H-indole CAS 1360956-39-3
| CAS No. | 1360956-39-3 |
| Molecular Formula | C8H5FIN |
| Molecular Weight | 261.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H5FIN, 7-Fluoro-3-iodo-1H-indole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 261.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
7-Fluoro-3-iodo-1H-indole (CAS 1360956-39-3), molecular formula C8H5FIN and molecular weight 261.03 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), 7-Fluoro-3-iodo-1H-indole 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 | C8H5FIN |
| Molecular Weight | 261.03 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 methanol, acetonitrile, DMSO |
| 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.) | 1991 |
| Halogen Content | F/I-containing |
| Nitrogen Atoms | 1 |
Related Fluoro Standards
- 4-Fluoro-7-iodo-1H-indole (CAS 1000341-66-1)
- 4-Fluoro-5-iodo-1H-indole (CAS 1240113-40-9)
- 2-(3-Fluoro-2-iodophenyl)acetonitrile (CAS 1261744-72-2)
- 3-Fluoro-5-iodo-4-methylbenzonitrile (CAS 1357624-09-9)
- 7-Fluoro-4-iodo-1H-indole (CAS 1360883-26-6)
- 5-fluoro-2-iodo-1H-indole (CAS 1388045-67-7)
- 5-Fluoro-7-iodo-1H-indole (CAS 1774896-43-3)
- 2-(2-Fluoro-4-iodophenyl)acetonitrile (CAS 345963-95-3)
Recommended Standards
- Methyl 2-bromo-5-nitroisonicotinate (CAS 1361385-86-5)
- 1-Bromo-5-methyl-2,4-dinitrobenzene (CAS 136833-29-9)
- Methyl 5-bromo-2-nitroisonicotinate (CAS 1356412-83-3)
- Methyl 2-bromo-3-nitropyridine-4-carboxylate (CAS 1379365-85-1)
- 5-chloro-3-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine (CAS 1638768-23-6)
- 2-(cyclopropylsulfanyl)acetic acid (CAS 1030431-62-9)
- 5-Chloro-2-(2-chloro-5-methylphenoxy)aniline (CAS 946715-06-6)
- Pravastatin (CAS 81093-37-0)
- 3-(Iodomethyl)piperidine (CAS 1260856-53-8)
- 2-(5-Bromothiophen-2-yl)-1,3-dioxolane (CAS 52157-62-7)
- 4-{[2-(tert-Butyl)-4-methylphenoxy]-methyl}piperidine hydrochloride (CAS 1220036-11-2)
- Ertapenem Impurity 26 (CAS CATO-C4X-163326)
- β-Cortolone (CAS 667-66-3)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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