5-Fluoro-1H-pyrrolo[2,3-b]pyridine
5-Fluoro-1H-pyrrolo[2,3-b]pyridine (CAS 866319-00-8) is a fluorinated heterocyclic compound with the molecular formula C7H5FN2 and a molar mass of 136.13 g/mol. As a key azaindole building block, it is primarily utilised in chemical synthesis. Its structure, featuring both a pyrrolo[2,3-b]pyridine core and fluorine substitution, makes it valuable in the development of novel molecules for research and development purposes.
- Synonyms
- C7H5FN2
![5-Fluoro-1H-pyrrolo[2,3-b]pyridine (C7H5FN2) — chemical structure, CAS 866319-00-8; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F866319-00-8.png&w=3840&q=75)
Pharmaceutical Intermediate
Serves as a crucial building block in the synthesis of complex pharmaceutical agents. Its unique structure can be incorporated into drug candidates to modify their pharmacological properties and metabolic stability.
Agrochemical Research
Utilised in the exploratory synthesis of new agrochemical compounds. The introduction of fluorine can enhance the biological activity and environmental persistence of pesticides and herbicides.
Materials Science
Investigated for potential applications in advanced materials due to its heterocyclic and fluorinated nature. It can be a component in the development of specialised polymers or electronic materials.
Organic Synthesis
A versatile reagent employed in various organic transformations and multi-step syntheses. It enables the construction of diverse molecular architectures for academic and industrial research.
| Molecular weight | 136.13 |
|---|---|
| Empirical formula | C7H5FN2 |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-Fluoro-1H-pyrrolo[2,3-b]pyridine used for?
+
5-Fluoro-1H-pyrrolo[2,3-b]pyridine is primarily used as a building block in organic synthesis, particularly in the pharmaceutical and agrochemical industries for the development of novel compounds.
What is the CAS number and molecular formula for 5-Fluoro-1H-pyrrolo[2,3-b]pyridine?
+
The CAS number is 866319-00-8, and the molecular formula is C7H5FN2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical as a research-grade compound. The specific assay and purity are available upon request or detailed on the Certificate of Analysis. It is not supplied as USP, BP, or EP grade.
What are the safety and handling precautions for 5-Fluoro-1H-pyrrolo[2,3-b]pyridine?
+
This compound is labelled with Danger signal word, associated with H302 (Harmful if swallowed) and H318 (Causes serious eye damage). Appropriate personal protective equipment, including eye protection (P280, P305+P351+P338), should be worn. In case of contact, rinse cautiously with water for several minutes.
How is 5-Fluoro-1H-pyrrolo[2,3-b]pyridine packed and shipped?
+
5-Fluoro-1H-pyrrolo[2,3-b]pyridine is carefully packed according to international shipping regulations for hazardous chemicals and exported globally by Tech Serve Solutions.
How can I request a quote or sample?
+
To request a quote or sample, please use the contact form on our website or reach out to our sales department directly, providing the product name and CAS number (866319-00-8).
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis