6-Methoxychromone-3-carboxaldehyde
6-Methoxychromone-3-carboxaldehyde (CAS 42059-79-0, C11H8O4) is a specialized organic compound characterised by its chromone core functionalised with a methoxy group and an aldehyde moiety. With a molecular weight of 204.18 g/mol, this chemical serves as a valuable building block and intermediate in organic synthesis, particularly within the fields of heterocyclic chemistry and medicinal chemistry research. Its reactivity is primarily associated with the aldehyde group, enabling diverse chemical transformations.
- IUPAC
- 3-Formyl-6-methoxychromone,6-Methoxy-4-oxo-4H-chromene-3-carboxaldehyde
- Synonyms
- 3-Formyl-6-methoxychromone6-Methoxy-4-oxo-4H-chromene-3-carboxaldehyde

Intermediate in Organic Synthesis
This compound functions as a key intermediate for constructing more complex organic molecules. The aldehyde group readily participates in reactions such as condensation, reduction, and oxidation, facilitating the synthesis of novel heterocyclic frameworks.
Heterocyclic Chemistry Research
Its benzopyran structure makes it an attractive starting material for researchers exploring new heterocyclic compounds with potential biological activities. The functional groups allow for diverse synthetic modifications.
Building Block for Fine Chemicals
6-Methoxychromone-3-carboxaldehyde is utilized as a building block in the synthesis of various fine chemicals. It enables the introduction of the methoxychromone scaffold into target molecules for specialized applications.
| Molecular weight | 204.18 |
|---|---|
| Empirical formula | C11H8O4 |
| Melting point | 162-166 °C |

Hazard statements
- H301Toxic if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-43 |
| Safety statements (S) | 36/37-45 |
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 6-Methoxychromone-3-carboxaldehyde used for?
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6-Methoxychromone-3-carboxaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly in heterocyclic and medicinal chemistry research.
What are the CAS number and molecular formula?
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The CAS number for 6-Methoxychromone-3-carboxaldehyde is 42059-79-0, and its molecular formula is C11H8O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Methoxychromone-3-carboxaldehyde with a purity indicated by its melting point of 162-166 °C. As per our policy, we supply this chemical for research and laboratory use, and do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as 'Danger' with hazard statements H301 (Toxic if swallowed) and H317 (May cause an allergic skin reaction). Handle with appropriate personal protective equipment (P280) and follow emergency procedures (P301 + P310) in case of ingestion.
How is 6-Methoxychromone-3-carboxaldehyde packed and shipped?
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As an exporter of fine chemicals and laboratory reagents, Tech Serve Solutions adheres to stringent international regulations for packing and shipping hazardous materials, including UN 2811, Class 6.1, Packing Group III.
How can I request a sample or quote?
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To request a sample or a quotation for 6-Methoxychromone-3-carboxaldehyde, please contact our sales department via the website or by email, providing your specific requirements.
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