2-Chloro-4-iodopyridine-3-carboxaldehyde
2-Chloro-4-iodopyridine-3-carboxaldehyde (CAS: 153034-90-3) is a halogenated pyridine derivative with the molecular formula C6H3ClINO and a molecular weight of 267.45 g/mol. This compound functions as a valuable building block in organic synthesis, particularly within the chemical and pharmaceutical industries. Its structure, featuring both halogen substituents and an aldehyde group, allows for diverse chemical transformations and incorporation into complex molecular frameworks.
- IUPAC
- 2-Chloro-4-iodonicotinaldehyde
- Synonyms
- 2-Chloro-4-iodonicotinaldehyde

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. The presence of chloro and iodo substituents, alongside the aldehyde functionality, provides multiple reaction sites for further chemical elaboration.
Pharmaceutical Research
Serves as a building block in the development of novel pharmaceutical compounds. Its pyridine core and functional groups are relevant for designing molecules with potential therapeutic applications.
Heterocyclic Chemistry
Employed in the construction of advanced heterocyclic structures. This compound is particularly useful for introducing substituted pyridine moieties into larger molecular systems.
| Molecular weight | 267.45 |
|---|---|
| Empirical formula | C6H3ClINO |
| Assay | 97% |
| Melting point | 87-92 °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
| 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-Chloro-4-iodopyridine-3-carboxaldehyde used for?
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2-Chloro-4-iodopyridine-3-carboxaldehyde (CAS: 153034-90-3) is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and the development of heterocyclic compounds.
What is the CAS number and molecular formula?
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The CAS number for 2-Chloro-4-iodopyridine-3-carboxaldehyde is 153034-90-3. The molecular formula is C6H3ClINO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-iodopyridine-3-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chloro-4-iodopyridine-3-carboxaldehyde be handled safely?
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This compound is a Warning substance. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice.
Can Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and we can export 2-Chloro-4-iodopyridine-3-carboxaldehyde worldwide.
How can I request a quote or sample?
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To request a quote or a sample of 2-Chloro-4-iodopyridine-3-carboxaldehyde, please contact our sales department via the website or by phone.
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