Coumarin-3-carboxylic acid
Coumarin-3-carboxylic acid (CAS 531-81-7; C10H6O4; MW: 190.15) is a heterocyclic organic compound classified as a coumarin derivative. It is a valuable building block in organic synthesis and finds applications in chemical research. This compound is recognised for its presence in specific biological pathways, contributing to its utility in cell biology studies and as a bioactive small molecule for further investigation.
- IUPAC
- 2-Oxo-2H-1-benzopyran-3-carboxylic acid

Organic Synthesis
Coumarin-3-carboxylic acid serves as a key intermediate and building block in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations, making it useful in medicinal chemistry and materials science research.
Chemical Research
This compound is employed in academic and industrial research settings for exploring new chemical reactions and developing novel compounds. Its structure lends itself to investigations in areas like fluorescence and photochemistry.
Cell Biology Studies
As a bioactive small molecule, Coumarin-3-carboxylic acid can be used to probe biological pathways and cellular mechanisms. Its interaction with specific enzymes, such as PTPN1, makes it a tool for biochemical assays.
| Molecular weight | 190.15 |
|---|---|
| Empirical formula | C10H6O4 |
| Assay | 99% |
| Melting point | 189-192 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... PTPN1(5770) |
|---|
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 Coumarin-3-carboxylic acid used for?
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Coumarin-3-carboxylic acid is primarily used as a building block in organic synthesis, in chemical research, and for studies in cell biology due to its bioactive properties.
What are the CAS number and formula for Coumarin-3-carboxylic acid?
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The CAS number is 531-81-7, and the empirical formula is C10H6O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Coumarin-3-carboxylic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should Coumarin-3-carboxylic acid be handled?
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Coumarin-3-carboxylic acid is classified as toxic if swallowed (H301). Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a type P2 respirator if necessary. Ensure good ventilation and avoid dust formation. Follow emergency procedures (P301 + P310).
Is Coumarin-3-carboxylic acid a controlled substance?
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The provided data does not indicate that Coumarin-3-carboxylic acid is a controlled substance.
How is Coumarin-3-carboxylic acid packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with relevant regulations. For specific details on packaging and shipping for Coumarin-3-carboxylic acid, please contact our sales team.
How can I request a sample or quote for Coumarin-3-carboxylic acid?
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To request a sample or quote for Coumarin-3-carboxylic acid, please contact our dedicated customer service team through our website or by phone.
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