4-Chloro-3-formylcoumarin
4-Chloro-3-formylcoumarin (CAS: 50329-91-4) is a halogenated heterocyclic organic compound with the molecular formula C10H5ClO3 and a molecular weight of 208.60 g/mol. This coumarin derivative features an aldehyde group, making it a versatile intermediate. It serves as a key building block in organic synthesis, particularly for the preparation of more complex heterocyclic structures and functionalised molecules within research and development settings.

Organic Synthesis Intermediate
4-Chloro-3-formylcoumarin is employed as a reactive intermediate in the synthesis of various organic compounds. Its aldehyde and coumarin functionalities allow for diverse chemical transformations.
Heterocyclic Chemistry
This compound is a valuable building block for constructing complex heterocyclic systems, including fused ring structures and other coumarin-based derivatives. Its utility is significant in medicinal chemistry research.
Research and Development
Utilised in academic and industrial research laboratories for exploring novel chemical reactions and synthesising new molecular entities. Its specific structure facilitates the investigation of structure-activity relationships.
| Molecular weight | 208.60 |
|---|---|
| Empirical formula | C10H5ClO3 |
| Assay | 97% |
| Melting point | 126-130 °C(lit.) |

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 4-Chloro-3-formylcoumarin used for?
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4-Chloro-3-formylcoumarin is primarily used as a versatile intermediate and building block in organic synthesis, particularly for the creation of complex heterocyclic compounds and functionalised molecules in research and development settings.
What is the CAS number and formula for 4-Chloro-3-formylcoumarin?
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The CAS number is 50329-91-4 and the empirical formula is C10H5ClO3.
What grade and purity does Tech Serve Solutions supply for 4-Chloro-3-formylcoumarin?
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Tech Serve Solutions supplies 4-Chloro-3-formylcoumarin with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should 4-Chloro-3-formylcoumarin be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. Refer to the safety data sheet for comprehensive handling information.
Is 4-Chloro-3-formylcoumarin a controlled substance?
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The provided data does not indicate that 4-Chloro-3-formylcoumarin is a controlled substance.
How is 4-Chloro-3-formylcoumarin typically packed, shipped, and exported?
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As a specialist global supplier, Tech Serve Solutions ensures appropriate packaging for safe transport and export of chemicals like 4-Chloro-3-formylcoumarin, adhering to international shipping regulations.
How can I request a sample or quote for 4-Chloro-3-formylcoumarin?
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To request a sample or obtain a quote, please contact our sales team through the details provided on the Tech Serve Solutions website.
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