4-Hydroxyquinoline-3-carboxylic acid
4-Hydroxyquinoline-3-carboxylic acid (CAS 34785-11-0) is a heterocyclic organic compound with the molecular formula C10H7NO3 and a molecular weight of 189.17 g/mol. This fine chemical is primarily utilised as a building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to further functionalisation for the development of more complex molecules. Tech Serve Solutions supplies this product with an assay of 97%.

Organic Synthesis Intermediate
4-Hydroxyquinoline-3-carboxylic acid serves as a versatile intermediate in organic synthesis. Its quinoline core and carboxylic acid functional group allow for various chemical transformations, facilitating the construction of novel compounds.
Heterocyclic Chemistry Research
This compound is valuable in research focused on heterocyclic systems, particularly those based on the quinoline scaffold. It enables synthetic chemists to explore new derivatives and their potential properties.
Building Block for Complex Molecules
Utilised as a fundamental building block, it contributes to the synthesis of more elaborate molecular architectures in academic and industrial research laboratories.
| Molecular weight | 189.17 |
|---|---|
| Empirical formula | C10H7NO3 |
| Assay | 97% |
| Melting point | 268-273 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 4-Hydroxyquinoline-3-carboxylic acid used for?
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4-Hydroxyquinoline-3-carboxylic acid is primarily used as a building block in organic and heterocyclic synthesis for the development of more complex molecules.
What are the CAS number and formula for 4-Hydroxyquinoline-3-carboxylic acid?
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The CAS number is 34785-11-0 and the empirical formula (Hill notation) is C10H7NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Hydroxyquinoline-3-carboxylic acid with an assay of 97%. This product is intended for research and synthesis purposes and is not supplied as USP, BP, or EP grade.
What are the safety considerations for handling 4-Hydroxyquinoline-3-carboxylic acid?
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This compound is classified with GHS07 symbol and a Warning signal word. It carries the hazard statement H302, indicating it is harmful if swallowed. Appropriate personal protective equipment should be used during handling. For full details, consult the Safety Data Sheet.
Is 4-Hydroxyquinoline-3-carboxylic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Hydroxyquinoline-3-carboxylic acid.
How can I request a sample or quote for 4-Hydroxyquinoline-3-carboxylic acid?
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Please contact our sales team via the website or your usual sales representative to request a sample or a formal quotation for 4-Hydroxyquinoline-3-carboxylic acid.
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