6-Chloro-3-cyanochromone
6-Chloro-3-cyanochromone (CAS: 50743-20-9) is a halogenated heterocyclic building block with the molecular formula C10H4ClNO2 and a molecular weight of 205.60 g/mol. This compound is primarily utilised as an intermediate in organic synthesis and chemical research. Its specific structure makes it valuable for the development of novel chemical entities and in the exploration of new synthetic pathways within the chemical industry.
- IUPAC
- 6-Chloro-4-oxo-4H-1-benzopyran-3-carbonitrile
- Synonyms
- 6-Chloro-4-oxo-4H-1-benzopyran-3-carbonitrile

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of more complex organic molecules. Its reactive sites allow for various chemical transformations, facilitating the construction of diverse molecular architectures.
Chemical Research and Development
Utilised in academic and industrial research for the development of new compounds and materials. Its unique structural features are explored for potential applications in various scientific fields.
Building Block for Heterocycles
Functions as a versatile building block in the synthesis of various heterocyclic compounds. The chromone core, modified with chloro and cyano groups, offers specific reactivity for targeted synthesis.
| Molecular weight | 205.60 |
|---|---|
| Empirical formula | C10H4ClNO2 |
| Assay | 98% |
| Melting point | 209-211 °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 6-Chloro-3-cyanochromone used for?
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6-Chloro-3-cyanochromone (CAS: 50743-20-9) is primarily used as an intermediate in organic synthesis and for chemical research and development purposes. It acts as a building block for creating more complex organic molecules and heterocyclic compounds.
What are the CAS number and molecular formula for 6-Chloro-3-cyanochromone?
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The CAS number for 6-Chloro-3-cyanochromone is 50743-20-9. Its empirical formula (Hill notation) is C10H4ClNO2, with a molecular weight of 205.60 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Chloro-3-cyanochromone with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 6-Chloro-3-cyanochromone be handled?
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6-Chloro-3-cyanochromone is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. Handle in a well-ventilated area.
Is 6-Chloro-3-cyanochromone a controlled substance?
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Based on the provided data, there is no indication that 6-Chloro-3-cyanochromone is a controlled substance. However, users should always verify local regulations.
How is 6-Chloro-3-cyanochromone typically packaged and shipped?
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6-Chloro-3-cyanochromone is available for global export. Packaging is designed to ensure product integrity during transit. Please contact us for specific shipping and packaging inquiries.
How can I request a sample or quote for 6-Chloro-3-cyanochromone?
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To request a sample or a quotation for 6-Chloro-3-cyanochromone, please contact our sales team through the details provided on our website.
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