3-Chloro-7-azaindole
3-Chloro-7-azaindole (CAS 80235-01-4, C7H5ClN2) is a halogenated heterocyclic building block with a molecular weight of 152.58 g/mol. This compound serves as a valuable intermediate in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its structure, featuring both a chlorine atom and an azaindole core, allows for diverse chemical modifications, making it a key component in the development of novel chemical entities.
- IUPAC
- 3-Chloro-1H-pyrrolo[2,3-b]pyridine

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs), contributing to the development of new therapeutic agents. Its heterocyclic structure is frequently incorporated into drug candidates.
Agrochemical Synthesis
Serves as a building block for the creation of novel agrochemicals, including pesticides and herbicides. The presence of the halogen and nitrogen atoms can influence biological activity.
Organic Synthesis Reagent
A versatile reagent for complex molecule construction in research and development laboratories. It enables a range of chemical transformations for creating diverse molecular architectures.
Material Science Research
Explored for potential applications in material science due to its unique structural features and potential for functionalisation.
| Molecular weight | 152.58 |
|---|---|
| Empirical formula | C7H5ClN2 |
| Assay | 97% |
| Melting point | 169-173 °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 3-Chloro-7-azaindole used for?
+
3-Chloro-7-azaindole (CAS 80235-01-4) is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals, as well as in material science research.
What are the CAS number and molecular formula for 3-Chloro-7-azaindole?
+
The CAS number is 80235-01-4, and the molecular formula is C7H5ClN2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Chloro-7-azaindole with a purity of 97% (assay). This product is intended for research and technical use. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Chloro-7-azaindole be handled safely?
+
3-Chloro-7-azaindole is classified as Danger with hazards including H301 (Toxic if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves, is essential. Handle in a well-ventilated area.
Is 3-Chloro-7-azaindole a controlled substance?
+
The provided data does not indicate that 3-Chloro-7-azaindole is a controlled substance.
How is 3-Chloro-7-azaindole packed and exported?
+
3-Chloro-7-azaindole is packed and shipped according to relevant regulations, including UN 2811 classification for transport. TSS is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for 3-Chloro-7-azaindole?
+
Please contact Tech Serve Solutions directly through our website or designated sales channels to request a sample or obtain a quote for 3-Chloro-7-azaindole.
▶ 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