Benzotriazole-5-carboxylic acid
Benzotriazole-5-carboxylic acid (CAS 23814-12-2), with the molecular formula C7H5N3O2 and a molecular weight of 163.13 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in organic synthesis, particularly in the development of novel molecules for chemical research and pharmaceutical intermediate applications. Its structure lends itself to diverse chemical transformations, making it a useful reagent for medicinal chemistry and materials science.

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. Its benzotriazole moiety and carboxylic acid group allow for various functionalization reactions.
Pharmaceutical Research
Serves as a precursor or intermediate in the development of new pharmaceutical compounds. It is employed in medicinal chemistry research for drug discovery efforts.
Chemical Reagent
A versatile reagent employed in academic and industrial research laboratories for the creation of novel chemical entities and functional materials.
| Molecular weight | 163.13 |
|---|---|
| Empirical formula | C7H5N3O2 |
| Assay | 99% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... GPR109B(8843) |
|---|
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 Benzotriazole-5-carboxylic acid used for?
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Benzotriazole-5-carboxylic acid is primarily used as a building block in organic synthesis and as an intermediate in pharmaceutical research and development. It is a versatile reagent for creating novel chemical entities.
What is the CAS number and chemical formula for Benzotriazole-5-carboxylic acid?
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The CAS number is 23814-12-2, and the chemical formula is C7H5N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzotriazole-5-carboxylic acid with an assay of 99%. This product is typically supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Benzotriazole-5-carboxylic acid be handled safely?
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Benzotriazole-5-carboxylic acid is classified as a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure adequate ventilation, wear a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure P261 and P305 + P351 + P338 precautions are followed.
Does Tech Serve Solutions export Benzotriazole-5-carboxylic acid?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Benzotriazole-5-carboxylic acid, and serves customers worldwide.
How can I request a quote or sample for Benzotriazole-5-carboxylic acid?
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To request a quote or a sample of Benzotriazole-5-carboxylic acid, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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