3-Cyanochromone
3-Cyanochromone (CAS 50743-17-4), with the molecular formula C10H5NO2 and a molecular weight of 171.15 g/mol, is a valuable heterocyclic building block. This benzopyran derivative serves as a key intermediate in organic synthesis, particularly for the creation of more complex molecular structures. Its chemical properties make it suitable for research and development in various fields, including medicinal chemistry and material science. TSS supplies this compound with a high assay for demanding applications.
- IUPAC
- 4-Oxo-4H-1-benzopyran-3-carbonitrile

Organic Synthesis Intermediate
3-Cyanochromone is utilised as a building block in the synthesis of diverse organic compounds. Its reactive cyano and chromone functionalities allow for various chemical transformations, enabling the construction of complex molecular architectures for research purposes.
Medicinal Chemistry Research
This compound can serve as a precursor in the development of novel pharmaceutical agents. Researchers in medicinal chemistry may employ 3-Cyanochromone to synthesise potential drug candidates for evaluation in various therapeutic areas.
Material Science Applications
The chromone scaffold present in 3-Cyanochromone may lend itself to applications in material science. It could be investigated for its potential use in developing new functional materials with specific optical or electronic properties.
| Molecular weight | 171.15 |
|---|---|
| Empirical formula | C10H5NO2 |
| Assay | 97% |
| Melting point | 174-176 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 20/21-25 |
| 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 3-Cyanochromone typically used for?
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3-Cyanochromone (CAS 50743-17-4) is primarily used as an intermediate in organic synthesis and in medicinal chemistry research for the development of new compounds and potential pharmaceutical agents.
What is the CAS number and chemical formula for 3-Cyanochromone?
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The CAS number for 3-Cyanochromone is 50743-17-4, and its chemical formula is C10H5NO2.
What grade and purity does Tech Serve Solutions supply for 3-Cyanochromone?
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Tech Serve Solutions supplies 3-Cyanochromone with an assay of 97%. This product is supplied for research and laboratory use, and TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
What are the primary safety hazards associated with 3-Cyanochromone?
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3-Cyanochromone is classified as Dangerous. It carries the GHS06 symbol and the signal word 'Danger'. It is harmful if swallowed, in contact with skin, or if inhaled (H301-H312 + H332). Appropriate personal protective equipment, including gloves, protective clothing, and respiratory protection, should be used when handling this compound, and work should be conducted in a well-ventilated area or fume hood. Refer to the Safety Data Sheet for full details.
Is 3-Cyanochromone a scheduled or controlled substance?
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Based on the provided data, 3-Cyanochromone (CAS 50743-17-4) is classified under hazard code T (Toxic) in Europe, and is associated with UN 3439, Packing Group III, for transport. It is not explicitly listed as a scheduled or controlled substance in this data, but users should always comply with local regulations regarding its handling and use.
How is 3-Cyanochromone typically packed and exported by TSS?
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3-Cyanochromone is packed according to safety regulations for hazardous materials, indicated by its UN 3439 classification. TSS, as a specialist global supplier, ensures compliant packaging and export procedures for this chemical.
How can I request a quote or sample for 3-Cyanochromone?
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To request a quote or sample for 3-Cyanochromone, please use the contact form on the Tech Serve Solutions website or contact our sales team directly with your specific requirements.
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