4-Bromo-7-azaindole
4-Bromo-7-azaindole (CAS: 348640-06-2, C7H5BrN2) is a halogenated heterocyclic building block. With a molecular weight of 197.03 g/mol, this compound serves as a valuable intermediate in organic synthesis, particularly for the development of novel pharmaceutical agents and advanced materials. Its structure, featuring a bromine atom on the azaindole core, allows for diverse downstream functionalization via cross-coupling and other synthetic methodologies. Available at 96% purity, it is supplied by TSS for research and development purposes.
- IUPAC
- 4-Bromo-1H-pyrrolo[2,3-b]pyridine
- Synonyms
- 4-Bromo-1H-pyrrolo[2,3-b]pyridine

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs), leveraging the azaindole scaffold for drug discovery programs.
Organic Synthesis Reagent
Serves as a key building block for constructing complex organic molecules due to the reactive bromine substituent and the versatile azaindole core.
Materials Science Research
Incorporated into the design and synthesis of novel organic materials with specific electronic or optical properties.
| Molecular weight | 197.03 |
|---|---|
| Empirical formula | C7H5BrN2 |
| Assay | 96% |
| Melting point | 178-183 °C |


Hazard statements
- H301Toxic 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
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| 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-Bromo-7-azaindole used for?
+
4-Bromo-7-azaindole (CAS: 348640-06-2) is primarily used as a building block in organic synthesis for the development of pharmaceuticals and novel materials.
What are the CAS number and formula for 4-Bromo-7-azaindole?
+
The CAS number is 348640-06-2 and the empirical formula is C7H5BrN2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Bromo-7-azaindole with a minimum assay of 96%. This product is supplied for research and development purposes and is not represented as USP, EP, or BP grade.
How should 4-Bromo-7-azaindole be handled safely?
+
Handling requires appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, face shields, and gloves. Ensure adequate ventilation. Due to its hazards (H301, H315, H318, H335), avoid ingestion, skin contact, eye contact, and inhalation of dust. Refer to the Safety Data Sheet for detailed handling procedures.
Is 4-Bromo-7-azaindole a scheduled or controlled substance?
+
The provided data does not indicate that 4-Bromo-7-azaindole is a scheduled or controlled substance.
How is 4-Bromo-7-azaindole packed and shipped?
+
This compound is shipped according to UN 2811 standards for toxic solid organic substances, classified under Packing Group III, with hazard class 6.1. TSS ensures compliant packaging for domestic and international export.
How can I request a sample or quote for 4-Bromo-7-azaindole?
+
To request a sample or a quotation, please contact the TSS sales department via the website or direct email, providing your specific requirements and shipping details.
▶ 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