2,4-Dichloropyridine-3-carboxaldehyde
2,4-Dichloropyridine-3-carboxaldehyde (CAS: 134031-24-6) is a halogenated pyridine derivative with the molecular formula C6H3Cl2NO and a molecular weight of 176.00 g/mol. This compound functions as a valuable intermediate and building block in organic synthesis. Its structure, featuring an aldehyde group and two chlorine substituents on the pyridine ring, allows for diverse chemical transformations, making it useful in the development of novel organic compounds and materials.
- IUPAC
- 2,4-Dichloronicotinaldehyde
- Synonyms
- C6H3Cl2NO2,4-Dichloronicotinaldehyde

Organic Synthesis Intermediate
This compound serves as a key intermediate in the synthesis of more complex organic molecules. The reactive aldehyde and chloro functionalities enable various coupling and derivatization reactions.
Heterocyclic Chemistry Building Block
As a substituted pyridine, it is employed in the construction of various heterocyclic frameworks. These are important motifs in pharmaceuticals and agrochemicals.
Research and Development
It is utilised in academic and industrial research laboratories for exploring new synthetic pathways and discovering novel compounds with potential biological activity or material properties.
| Molecular weight | 176.00 |
|---|---|
| Empirical formula | C6H3Cl2NO |
| Assay | 97% |
| Melting point | 70-74 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 2,4-Dichloropyridine-3-carboxaldehyde used for?
+
2,4-Dichloropyridine-3-carboxaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly in the development of novel heterocyclic compounds for research and potential applications in pharmaceuticals and agrochemicals.
What is the CAS number and formula for 2,4-Dichloropyridine-3-carboxaldehyde?
+
The CAS number is 134031-24-6 and the empirical formula is C6H3Cl2NO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,4-Dichloropyridine-3-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Dichloropyridine-3-carboxaldehyde be handled safely?
+
This compound is classified as Warning. It may cause gastrointestinal irritation if swallowed (H302), skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/eye protection/face protection.
How is 2,4-Dichloropyridine-3-carboxaldehyde packed and shipped?
+
2,4-Dichloropyridine-3-carboxaldehyde is shipped as UN 2811, Class 6.1, Packing Group III. TSS exports globally and adheres to all relevant shipping regulations.
How can I request a sample or quote for 2,4-Dichloropyridine-3-carboxaldehyde?
+
Please contact our sales team via the website or by telephone to request a sample or a quotation for 2,4-Dichloropyridine-3-carboxaldehyde.
▶ 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