5-Chlorobenzotriazole
5-Chlorobenzotriazole (CAS: 94-97-3; Formula: C6H4ClN3) is a halogenated heterocyclic compound with a molecular weight of 153.57 g/mol. This compound serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and the development of novel molecules. Its structure makes it suitable for various synthetic transformations, contributing to the creation of complex chemical entities.

Organic Synthesis Intermediate
5-Chlorobenzotriazole acts as a versatile intermediate in the synthesis of more complex organic molecules. Its reactive sites allow for diverse chemical modifications.
Heterocyclic Chemistry
As a halogenated heterocyclic building block, it is employed in the construction of various ring systems relevant to medicinal chemistry and materials science.
Research and Development
This compound is utilised in laboratory settings for research purposes, enabling the exploration of new synthetic routes and the development of novel chemical entities.
| Molecular weight | 153.57 |
|---|---|
| Empirical formula | C6H4ClN3 |
| Assay | 99% |
| Melting point | 157-159 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Chlorobenzotriazole used for?
+
5-Chlorobenzotriazole is primarily used as a building block and intermediate in organic synthesis and chemical research.
What are the CAS number and formula for 5-Chlorobenzotriazole?
+
The CAS number for 5-Chlorobenzotriazole is 94-97-3, and its molecular formula is C6H4ClN3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Chlorobenzotriazole with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling 5-Chlorobenzotriazole?
+
5-Chlorobenzotriazole is classified as harmful if swallowed (H302). When handling, ensure adequate ventilation and use personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves.
Is 5-Chlorobenzotriazole a controlled substance?
+
The provided data does not indicate that 5-Chlorobenzotriazole is a controlled substance.
How is 5-Chlorobenzotriazole packed and shipped?
+
Tech Serve Solutions handles the packing and shipping of chemicals, including 5-Chlorobenzotriazole, in compliance with relevant regulations for domestic and international export.
How can I request a quote or sample for 5-Chlorobenzotriazole?
+
To request a quote or sample for 5-Chlorobenzotriazole, please contact our sales team via the website or listed contact 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