4-Chloro-7-trifluoromethylquinoline-3-carboxylic acid ethyl ester
4-Chloro-7-trifluoromethylquinoline-3-carboxylic acid ethyl ester (CAS: 21168-42-3) is a halogenated heterocyclic compound with the molecular formula C13H9ClF3NO2 and a molecular weight of 303.66 g/mol. This trifluoromethylquinoline derivative serves as a valuable building block in organic synthesis. It is primarily utilised in the development of novel chemical entities, contributing to advancements in material science and potentially in the pharmaceutical research sector.

Organic Synthesis Intermediate
This compound is a key intermediate in complex organic synthesis pathways. Its unique structural features, including the trifluoromethyl and chloro substituents on the quinoline core, allow for diverse chemical transformations.
Fluorinated Building Block
As a fluorinated heterocycle, it is employed in the construction of molecules where the introduction of fluorine is desired for modifying properties such as lipophilicity, metabolic stability, or binding affinity.
Research and Development
This chemical is used in academic and industrial research laboratories for exploring new chemical reactions and developing novel compounds with potential applications in various scientific fields.
| Molecular weight | 303.66 |
|---|---|
| Empirical formula | C13H9ClF3NO2 |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| 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 4-Chloro-7-trifluoromethylquinoline-3-carboxylic acid ethyl ester used for?
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This compound is primarily used as a building block in organic synthesis and chemical research, particularly in the development of fluorinated heterocyclic compounds.
What is the CAS number and molecular formula for 4-Chloro-7-trifluoromethylquinoline-3-carboxylic acid ethyl ester?
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The CAS number is 21168-42-3 and the molecular formula is C13H9ClF3NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. Purity and specific grades are detailed in the product specifications; it is not supplied as USP, BP, EP, or for pharmaceutical, food, or cosmetic use.
What are the primary safety hazards associated with this chemical?
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This chemical is classified with a 'Warning' signal word and carries hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment should be used during handling.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including this compound, to researchers and industries worldwide.
How can I request a sample or quote for 4-Chloro-7-trifluoromethylquinoline-3-carboxylic acid ethyl ester?
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Please use the contact form on our website or email us directly to request a sample or a quotation for this product.
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