1,2,4-Triazole-3-carboxylic acid
1,2,4-Triazole-3-carboxylic acid (CAS 4928-87-4) is a heterocyclic organic compound with the molecular formula C3H3N3O2 and a molecular weight of 113.07 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to further derivatization for the development of novel compounds.
- Synonyms
- 4928-87-4C3H3N3O2

Organic Synthesis Intermediate
1,2,4-Triazole-3-carboxylic acid is employed as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for a range of chemical transformations.
Heterocyclic Chemistry
As a triazole derivative, this compound is utilised in studies and applications involving heterocyclic frameworks. These structures are prevalent in pharmaceuticals and agrochemicals.
Research and Development
The compound is supplied for research purposes, enabling chemists to explore new synthetic routes and create novel chemical entities.
| Molecular weight | 113.07 |
|---|---|
| Empirical formula | C3H3N3O2 |
| Assay | 97% |
| Melting point | 132-136 °C |

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) | 26-36/37 |
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 1,2,4-Triazole-3-carboxylic acid used for?
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1,2,4-Triazole-3-carboxylic acid is primarily used as a building block in organic synthesis and in studies involving heterocyclic chemistry.
What is the CAS number and molecular formula for 1,2,4-Triazole-3-carboxylic acid?
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The CAS number is 4928-87-4 and the molecular formula is C3H3N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,4-Triazole-3-carboxylic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 1,2,4-Triazole-3-carboxylic acid be handled?
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1,2,4-Triazole-3-carboxylic acid is a warning irritant. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust. Ensure good ventilation. In case of contact with eyes, rinse cautiously with water for several minutes.
Is 1,2,4-Triazole-3-carboxylic acid a controlled substance?
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There is no indication in the provided data that 1,2,4-Triazole-3-carboxylic acid is a controlled substance.
How is 1,2,4-Triazole-3-carboxylic acid packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details will be provided upon request and in accordance with international regulations.
How can I request a quote or sample for 1,2,4-Triazole-3-carboxylic acid?
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To request a quote or sample, please contact our sales department through the website or by phone, providing your specific requirements.
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