8-Chloro-4-hydroxyquinoline-3-carboxylic acid
8-Chloro-4-hydroxyquinoline-3-carboxylic acid (CAS 35966-16-6), with the molecular formula C10H6ClNO3 and a molecular weight of 223.61 g/mol, is a halogenated heterocyclic compound. It serves as a valuable building block in organic synthesis. Its structure makes it suitable for further chemical modifications, particularly in the development of novel chemical entities and materials within research and development settings.

Organic Synthesis Intermediate
This compound is utilised as a key intermediate in multi-step organic syntheses. Its quinoline core and functional groups allow for diverse chemical transformations.
Research and Development
It is employed in R&D laboratories for the exploration of new chemical structures and reactions, contributing to advancements in medicinal chemistry and materials science.
Building Block for Heterocycles
As a heterocyclic building block, it facilitates the construction of more complex molecules containing the quinoline scaffold.
| Molecular weight | 223.61 |
|---|---|
| Empirical formula | C10H6ClNO3 |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| 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 8-Chloro-4-hydroxyquinoline-3-carboxylic acid used for?
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8-Chloro-4-hydroxyquinoline-3-carboxylic acid (CAS 35966-16-6) is primarily used as a building block and intermediate in organic synthesis and research & development.
What are the CAS number and formula for this chemical?
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The CAS number is 35966-16-6 and the empirical formula is C10H6ClNO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and grade are available upon request. We do not represent this product as USP, BP, or EP grade.
How should 8-Chloro-4-hydroxyquinoline-3-carboxylic acid be handled safely?
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This compound is classified as a Warning with Hazard Statement H319 (Causes serious eye irritation). It is recommended to wear eye protection (P305 + P351 + P338). In case of contact with eyes, rinse cautiously with water for several minutes.
Is this chemical suitable for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 8-Chloro-4-hydroxyquinoline-3-carboxylic acid.
How can I request a sample or quote?
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Please contact our sales team or use the online inquiry form on our website to request a sample or a quote for 8-Chloro-4-hydroxyquinoline-3-carboxylic acid.
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