4-Iodo-1H-pyrrolo[2,3-b]pyridine
4-Iodo-1H-pyrrolo[2,3-b]pyridine (CAS 319474-34-5) is a halogenated azaindole derivative with the molecular formula C7H5IN2 and a molecular weight of 244.03 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and chemical research sectors. Its structure, featuring an iodinated pyrrolo[2,3-b]pyridine core, makes it a versatile intermediate for developing novel heterocyclic compounds.
- Synonyms
- C7H5IN24-Iodo-7-azaindole
![4-Iodo-1H-pyrrolo[2,3-b]pyridine (C7H5IN2) — chemical structure, CAS 319474-34-5; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F319474-34-5.png&w=3840&q=75)
Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery programmes. The iodo-substituent allows for diverse cross-coupling reactions, facilitating the construction of complex molecular architectures relevant to medicinal chemistry.
Organic Synthesis Building Block
A key reagent for introducing the pyrrolo[2,3-b]pyridine scaffold into target molecules. It is employed in research laboratories for the development of new chemical entities and functional materials.
Heterocyclic Chemistry Research
Investigated for its reactivity and potential in the creation of novel heterocyclic systems. Its specific structural features are of interest for exploring new chemical transformations and properties.
| Molecular weight | 244.03 |
|---|---|
| Empirical formula | C7H5IN2 |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| 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 4-Iodo-1H-pyrrolo[2,3-b]pyridine primarily used for?
+
4-Iodo-1H-pyrrolo[2,3-b]pyridine is primarily used as a building block in organic synthesis and as an intermediate in pharmaceutical research for developing novel compounds.
What is the CAS number and molecular formula for 4-Iodo-1H-pyrrolo[2,3-b]pyridine?
+
The CAS number is 319474-34-5 and the molecular formula is C7H5IN2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical as a research/technical grade. We do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should 4-Iodo-1H-pyrrolo[2,3-b]pyridine be handled safely?
+
This compound is classified as Dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, avoid breathing dust/fume/gas/mist/vapours/spray, and ensure good ventilation. In case of eye contact, rinse cautiously with water for several minutes and seek immediate medical advice.
Is this chemical subject to specific controls or scheduling?
+
The provided data does not indicate that 4-Iodo-1H-pyrrolo[2,3-b]pyridine is a controlled or scheduled substance.
How is this chemical packed, shipped, and exported by TSS?
+
Tech Serve Solutions securely packs and exports chemicals globally, adhering to all relevant transport regulations to ensure safe and compliant delivery.
How can I request a sample or quote for 4-Iodo-1H-pyrrolo[2,3-b]pyridine?
+
To request a sample or quote, please contact our sales team through the website or direct email, providing your contact details and the product CAS number.
▶ 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