Pyridazine-3-carboxylic acid
Pyridazine-3-carboxylic acid (CAS: 2164-61-6), with the molecular formula C5H4N2O2 and a molecular weight of 124.10 g/mol, is a valuable heterocyclic building block. This compound serves as a key intermediate in chemical synthesis, particularly within the realm of pyridazine chemistry. It is employed in the development of novel organic molecules and advanced materials.
- IUPAC
- 3-Pyridazinecarboxylic acid

Chemical Synthesis Intermediate
Utilised as a fundamental building block in the synthesis of complex organic molecules. Its pyridazine core and carboxylic acid functional group allow for diverse chemical transformations.
Research and Development
Essential reagent in academic and industrial research laboratories for exploring new synthetic pathways and developing novel compounds. Facilitates the creation of custom chemical entities for various research purposes.
Pharmaceutical Intermediate
Plays a role in the synthetic routes for potential pharmaceutical agents. Its structure can be incorporated into drug discovery programs targeting various therapeutic areas.
| Molecular weight | 124.10 |
|---|---|
| Empirical formula | C5H4N2O2 |
| Assay | 97% |
| Melting point | 200-209 °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
| 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.
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 Pyridazine-3-carboxylic acid used for?
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Pyridazine-3-carboxylic acid is primarily used as a chemical intermediate and building block in organic synthesis, research and development, and potentially in the pharmaceutical industry.
What is the CAS number and molecular formula for Pyridazine-3-carboxylic acid?
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The CAS number is 2164-61-6, and the molecular formula is C5H4N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyridazine-3-carboxylic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Pyridazine-3-carboxylic acid be handled safely?
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Pyridazine-3-carboxylic acid is a Warning substance classified with H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment, ensure good ventilation, and avoid dust formation. Refer to the Safety Data Sheet for comprehensive handling information.
Is Pyridazine-3-carboxylic acid a controlled substance?
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The provided data does not indicate that Pyridazine-3-carboxylic acid is a controlled substance.
How is Pyridazine-3-carboxylic acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and we can arrange shipment and export of Pyridazine-3-carboxylic acid according to international regulations and customer requirements.
How can I request a sample or quote for Pyridazine-3-carboxylic acid?
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To request a sample or quote for Pyridazine-3-carboxylic acid, please contact our sales team via the details provided on our website.
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