2,5-Dichloropyridine-4-carboxylic acid
2,5-Dichloropyridine-4-carboxylic acid (CAS: 88912-26-9) is a halogenated heterocyclic compound with the molecular formula C6H3Cl2NO2. This chemical serves as a versatile building block in organic synthesis. Its structure, featuring a pyridine ring substituted with two chlorine atoms and a carboxylic acid group, makes it valuable for constructing more complex molecules, particularly in the fields of chemical research and development.
- IUPAC
- 2,5-Dichloroisonicotinic acid
- Synonyms
- 2,5-Dichloroisonicotinic acid

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. The presence of reactive chlorine atoms and the carboxylic acid functionality allows for diverse chemical transformations.
Research and Development
Employed in academic and industrial research laboratories for the exploration of novel chemical entities and reaction pathways. It is particularly useful in heterocyclic chemistry.
Building Block for Pharmaceuticals
Can serve as a precursor for the development of pharmaceutical agents, leveraging its pyridine core and halogen substituents for targeted molecular design.
| Molecular weight | 192.00 |
|---|---|
| Empirical formula | C6H3Cl2NO2 |
| Assay | 95% |
| Melting point | 235-240 °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 |
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 2,5-Dichloropyridine-4-carboxylic acid used for?
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2,5-Dichloropyridine-4-carboxylic acid is primarily used as a building block and intermediate in organic synthesis, particularly within chemical research and development for creating complex molecules and potentially pharmaceutical agents.
What is the CAS number and chemical formula for 2,5-Dichloropyridine-4-carboxylic acid?
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The CAS number is 88912-26-9 and the chemical formula is C6H3Cl2NO2. The molecular weight is 192.00.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dichloropyridine-4-carboxylic acid with an assay of 95%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 2,5-Dichloropyridine-4-carboxylic acid be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 US). It is classified as a Warning with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Ensure good ventilation.
How is 2,5-Dichloropyridine-4-carboxylic acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, handling the packing and export of 2,5-Dichloropyridine-4-carboxylic acid with professional care.
How can I request a quote or sample?
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To request a quote or sample of 2,5-Dichloropyridine-4-carboxylic acid, please contact our sales team through the website or provided contact details.
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