7-Chloro-2-methyl-quinoline-3-carboxylic acid ethyl ester
7-Chloro-2-methyl-quinoline-3-carboxylic acid ethyl ester (CAS 733719-74-9) is a halogenated heterocyclic compound with the molecular formula C13H12ClNO2 and a molecular weight of 249.69 g/mol. It serves as a valuable building block in organic synthesis. This chemical is primarily utilised in research and development settings for the construction of more complex molecules within the pharmaceutical and fine chemical industries.

Organic Synthesis Intermediate
This ethyl ester is employed as a key intermediate in multi-step organic synthesis pathways. Its specific structure allows for further functionalization and elaboration into diverse chemical entities.
Pharmaceutical Research
The quinoline core, substituted with a chlorine atom and an ethyl carboxylate group, makes this compound a useful starting material for exploring novel pharmaceutical candidates. It can be incorporated into molecules designed for various therapeutic targets.
Heterocyclic Chemistry
As a member of the quinoline family and a halogenated heterocycle, it is an important reagent for chemists working in heterocyclic chemistry. It enables the study and synthesis of new heterocyclic systems.
| Molecular weight | 249.69 |
|---|---|
| Empirical formula | C13H12ClNO2 |

Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 41 |
| Safety statements (S) | 26-39 |
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 7-Chloro-2-methyl-quinoline-3-carboxylic acid ethyl ester used for?
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It is used as a building block in organic synthesis, particularly in pharmaceutical research and heterocyclic chemistry, for the creation of more complex molecules.
What are the CAS number and formula for this compound?
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The CAS number is 733719-74-9 and the empirical formula is C13H12ClNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay and grade are detailed on the product specification sheet, and it is not represented as USP, BP, or EP grade.
What are the safety considerations for handling this chemical?
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This compound is classified with the GHS symbol GHS05 and the signal word Danger, indicating it causes serious eye damage (H318). Appropriate personal protective equipment, including eye protection, must be worn. Consult the Safety Data Sheet for full handling guidelines.
Is this chemical available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and this product can be shipped internationally. Please contact us for export details.
How can I request a quote or sample?
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To request a quote or sample, please use the contact form on our website or call our sales department. Provide the product name and CAS number for prompt service.
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