Benzofuran-2-carboxylic acid
Benzofuran-2-carboxylic acid (CAS 496-41-3, C9H6O3) is a heterocyclic organic compound with a molecular weight of 162.14 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. This compound is primarily utilised in research and development for the creation of complex molecules and novel chemical entities, contributing to advancements in various scientific fields.
- IUPAC
- Coumarilic acid,Coumarone-2-carboxylic acid
- Synonyms
- Coumarilic acidCoumarone-2-carboxylic acid

Organic Synthesis Intermediate
Benzofuran-2-carboxylic acid is employed as a key intermediate in the synthesis of more complex organic molecules. Its structure allows for further functionalisation, making it useful in multi-step synthetic routes.
Pharmaceutical Research
This compound has been used in the synthesis of prodrugs, such as oxymethyl-modified coumarinic acid-based cyclic DADLE. This highlights its potential in medicinal chemistry research for developing new therapeutic agents.
Heterocyclic Chemistry
As a benzofuran derivative, it is a useful reagent for chemists working with heterocyclic compounds. These structures are prevalent in many biologically active molecules and advanced materials.
| Molecular weight | 162.14 |
|---|---|
| Empirical formula | C9H6O3 |
| Assay | 99% |
| Application | Benzofuran-2-carboxylic acid was used in the synthesis of the oxymethyl-modified coumarinic acid-based cyclic DADLE (H-Tyr-D-Ala-Gly-Phe-D-Leu-OH) prodrug1. |
| Melting point | 193-196 °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 |
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 Benzofuran-2-carboxylic acid used for?
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Benzofuran-2-carboxylic acid is used as a building block in chemical synthesis, particularly in the development of pharmaceutical intermediates and complex organic molecules. It has been cited in the synthesis of prodrugs.
What is the CAS number and formula for Benzofuran-2-carboxylic acid?
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The CAS number for Benzofuran-2-carboxylic acid is 496-41-3, and its empirical formula is C9H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzofuran-2-carboxylic acid with an assay of 99%. TSS does not represent this product as USP, EP, or BP grade.
How should Benzofuran-2-carboxylic acid be handled?
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Handle Benzofuran-2-carboxylic acid with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. It is classified as causing skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
Is Benzofuran-2-carboxylic acid a controlled substance?
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The provided data does not indicate that Benzofuran-2-carboxylic acid is a controlled substance.
How is Benzofuran-2-carboxylic acid shipped?
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Benzofuran-2-carboxylic acid is exported and shipped by Tech Serve Solutions, a global supplier of fine chemicals and laboratory reagents.
How can I request a sample or quote for Benzofuran-2-carboxylic acid?
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To request a sample or quote for Benzofuran-2-carboxylic acid, please contact Tech Serve Solutions through our website or designated sales channels.
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