4-Hydroxy-6-methoxyquinoline-3-carboxylic acid ethyl ester
4-Hydroxy-6-methoxyquinoline-3-carboxylic acid ethyl ester (CAS: 77156-78-6) is a heterocyclic organic compound with the molecular formula C13H13NO4 and a molecular weight of 247.25 g/mol. This quinoline derivative serves as a valuable building block in organic synthesis, particularly within the realm of chemical research and the development of novel compounds. Its structure lends itself to various chemical transformations, making it a useful intermediate for creating more complex molecules.

Organic Synthesis Intermediate
This compound is employed as a versatile intermediate in complex organic synthesis projects. Its functional groups allow for diverse chemical modifications.
Heterocyclic Chemistry Research
Utilised in academic and industrial research focused on the synthesis and study of quinoline derivatives and other heterocyclic compounds.
Pharmaceutical Building Block
Serves as a key building block in the multi-step synthesis of potential pharmaceutical agents and drug discovery programmes.
| Molecular weight | 247.25 |
|---|---|
| Empirical formula | C13H13NO4 |

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 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid ethyl ester used for?
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This compound is primarily used as a versatile building block in organic synthesis, particularly in heterocyclic chemistry research and as an intermediate in the development of potential pharmaceutical agents.
What are the CAS number and chemical formula?
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The CAS number is 77156-78-6 and the empirical formula (Hill notation) is C13H13NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a research or technical grade chemical. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications. Please refer to the Certificate of Analysis for specific purity details.
How should 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid ethyl ester be handled?
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This compound is classified as a Warning. It causes serious eye irritation (H319). In case of contact with eyes, rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Wear eye protection. Ensure adequate ventilation when handling.
Is this chemical a controlled substance?
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Based on the provided data, there is no indication that this chemical is a controlled substance.
How is this product shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, adhering to all international shipping regulations.
How can I request a sample or quote?
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Please contact our sales team directly via the website or by calling our office to request a sample or obtain a quotation for this product.
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