3-Fluoro-5-iodopyridine CAS 757950-13-3
| CAS No. | 757950-13-3 |
| Molecular Formula | C5H3FIN |
| Molecular Weight | 222.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, fluorine/iodine substitution, 3-Fluoro-5-iodopyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 222.99 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Fluoro-5-iodopyridine (CAS 757950-13-3), molecular formula C5H3FIN and molecular weight 222.99 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Fluoro-5-iodopyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H3FIN |
| Molecular Weight | 222.99 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/I-containing |
| Nitrogen Atoms | 1 |
Related Fluoro Standards
- 2-fluoro-3-iodopyridine (CAS 113975-22-7)
- 2-Fluoro-6-iodopyridine (CAS 1214345-93-3)
- 4-Fluoro-3-iodopyridine (CAS 146141-03-9)
- 5-Fluoro-2-iodopyridine (CAS 159870-80-1)
- 2-Fluoro-4-iodopyridine, 97% (CAS 22282-70-8)
- (2-Fluoro-4-(thiazol-4-yl)phenyl)boronic acid (CAS 2225170-08-9)
- (2-Fluoro-4-(thiazol-5-yl)phenyl)boronic acid (CAS 2225169-31-1)
- (2-Fluoro-6-(thiophen-2-yl)pyridin-3-yl)boronic acid (CAS 2225178-20-9)
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