3-Methyl-2-quinoxalinecarboxylic acid
3-Methyl-2-quinoxalinecarboxylic acid (CAS: 74003-63-7), with the molecular formula C10H8N2O2 and a molecular weight of 188.18 g/mol, is a specialised heterocyclic compound. It serves as a valuable building block in organic synthesis, particularly within the realm of quinoxaline chemistry. Its precise structure makes it a useful intermediate for the development of novel molecules in research and industrial chemical synthesis.

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. Its quinoxaline core is often incorporated into novel chemical structures for research purposes.
Heterocyclic Chemistry Research
A versatile reagent for academic and industrial researchers exploring heterocyclic chemistry. It enables the construction of diverse molecular frameworks containing the quinoxaline moiety.
Pharmaceutical Intermediate Development
Serves as a precursor in the multi-step synthesis of potential pharmaceutical agents. The quinoxaline scaffold is present in various biologically active compounds.
| Molecular weight | 188.18 |
|---|---|
| Empirical formula | C10H8N2O2 |
| Assay | ≥99.0% (HPLC) |
| Grade | VETRANAL™, analytical standard |
| Storage temperature | −20°C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Shelf Life | (limited shelf life, expiry date on the label) |
|---|
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 3-Methyl-2-quinoxalinecarboxylic acid used for?
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3-Methyl-2-quinoxalinecarboxylic acid is primarily used as a building block in organic synthesis and heterocyclic chemistry research, including the development of potential pharmaceutical intermediates.
What are the CAS number and formula for 3-Methyl-2-quinoxalinecarboxylic acid?
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The CAS number is 74003-63-7 and the empirical formula (Hill notation) is C10H8N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methyl-2-quinoxalinecarboxylic acid with a purity of ≥99.0% (HPLC), as a VETRANAL™, analytical standard grade. We do not represent this product as USP, BP, or EP grade.
How should 3-Methyl-2-quinoxalinecarboxylic acid be handled?
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This compound is harmful if swallowed, causes serious eye irritation, and may cause respiratory irritation (H302, H319, H335). Handle with appropriate personal protective equipment including a dust mask (type N95), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is this chemical shipped or exported?
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As a global supplier and exporter of fine chemicals, Tech Serve Solutions professionally packages and exports 3-Methyl-2-quinoxalinecarboxylic acid, adhering to all relevant shipping regulations for chemical compounds.
How can I request a sample or quote?
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To request a sample or a quote for 3-Methyl-2-quinoxalinecarboxylic acid, please contact our sales team through the website or via email, providing your specific requirements.
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