5-Chloro-2-hydroxy-3-iodobenzaldehyde
5-Chloro-2-hydroxy-3-iodobenzaldehyde (CAS: 215124-03-1) is a halogenated aromatic aldehyde with a molecular weight of 282.46 g/mol. This compound functions as a valuable intermediate and building block in organic synthesis. Its unique structure, featuring chlorine, iodine, and aldehyde functionalities alongside a hydroxyl group, allows for diverse chemical transformations, making it suitable for the development of complex molecules in research and development settings.
- IUPAC
- 5-Chloro-3-iodo-2-hydroxybenzaldehyde,5-Chloro-3-iodosalicylaldehyde
- Synonyms
- 5-Chloro-3-iodo-2-hydroxybenzaldehyde5-Chloro-3-iodosalicylaldehyde

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. The presence of multiple functional groups allows for regioselective reactions.
Research and Development
Employed in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities.
Medicinal Chemistry
Potentially used in the early stages of drug discovery as a scaffold for creating new pharmaceutical candidates. Its halogenated structure can influence pharmacokinetic properties.
| Molecular weight | 282.46 |
|---|---|
| Empirical formula | C7H4ClIO2 |
| Assay | 97% |
| Melting point | 87-92 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36 |
| Safety statements (S) | 26-45 |
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 5-Chloro-2-hydroxy-3-iodobenzaldehyde used for?
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5-Chloro-2-hydroxy-3-iodobenzaldehyde is primarily used as an intermediate and building block in organic synthesis and in research and development laboratories for creating complex molecules and exploring new chemical entities.
What are the CAS number and molecular formula for this compound?
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The CAS number is 215124-03-1 and the empirical formula is C7H4ClIO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical at an assay of 97%. This is a technical grade suitable for research and synthesis, and TSS does not represent it as USP, BP, or EP grade.
How should 5-Chloro-2-hydroxy-3-iodobenzaldehyde be handled?
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This compound is classified as Danger with hazard statement H301 (Toxic if swallowed). Handle with extreme caution in a well-ventilated area, wearing appropriate personal protective equipment including gloves, eye protection, and respiratory protection. Seek immediate medical attention if swallowed. Follow safety instructions P301 + P310 (IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician).
How is 5-Chloro-2-hydroxy-3-iodobenzaldehyde packed and shipped?
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This chemical is packed according to relevant transport regulations, including UN 2811 classification for toxic solids, organic, n.o.s. Tech Serve Solutions is experienced in exporting fine chemicals globally.
How can I request a sample or quote?
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To request a sample or a quote for 5-Chloro-2-hydroxy-3-iodobenzaldehyde, please contact our sales team via the website or your dedicated account manager.
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