4-Fluoro-5-iodo-1H-pyrrolo[2,3-b]pyridine CAS 1638765-44-2
| CAS No. | 1638765-44-2 |
| Molecular Formula | C7H4FIN2 |
| Molecular Weight | 262.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Fluoro-5-iodo-1H-pyrrolo[2,3-b]pyridine 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.
4-Fluoro-5-iodo-1H-pyrrolo[2,3-b]pyridine (CAS 1638765-44-2) is a high-purity analytical reference standard with the molecular formula C7H4FIN2 and a molecular weight of 262.02 g/mol.
Owing to a nitrile group, fluorine/iodine substitution, an aromatic ring system, 4-Fluoro-5-iodo-1H-pyrrolo[2,3-b]pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 262.02 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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.) | 1993 |
| 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)
- 5-Fluoro-3-iodo-1H-pyrrolo[3,2-b]pyridine (CAS 1190314-70-5)
- 6-Fluoro-3-iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1190316-60-9)
- 6-Fluoro-3-iodo-1H-pyrrolo[2,3-b]pyridine (CAS 1190319-92-6)
- 7-Fluoro-3-iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1190320-13-8)
- 6-Fluoro-3-iodo-1H-pyrrolo[3,2-b]pyridine (CAS 1190320-41-2)
Recommended Standards
- 2,3-Dichloro-6-fluoro-7-nitroquinoxaline (CAS 153392-16-6)
- 2-Fluoro-7-iodo-1H-benzo[d]imidazole (CAS 1803896-55-0)
- 6-Fluoro-1-iodoimidazo[1,5-a]pyridine (CAS 1426424-83-0)
- 2-Fluoro-6-iodo-1H-benzo[d]imidazole (CAS 1804172-84-6)
- H-Gln-Gly-OH TFA Salt (CAS 2650-65-9（free base）)
- 2-Hydroxy-3-iodobenzenesulfonamide (CAS 1243347-73-0)
- (2R)-2-(furan-2-yl)pyrrolidine (CAS 1039033-91-4)
- 2,4-Dichloro-7-methyl-1,8-naphthyridine (CAS 1824307-66-5)
- N-(cyclopropylmethyl)-1-methylpyrrolidin-3-amine (CAS 1250895-67-0)
- IDTTB6-Br-CHO (CAS 2379392-61-5)
- 4-Methoxy-N-(2-oxoindolin-5-yl)benzenesulfonamide (CAS 921538-88-7)
- 2-(Chloromethyl)-6-(difluoromethyl)-4-hydroxy-3-iodopyridine (CAS 1805210-30-3)
- Tert-butyl (2-(2-(methylamino)ethoxy)ethyl)carbamate hydrochloride (CAS 1185722-79-5)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com