Description

3-Methyl-2-quinoxalinecarboxylic acid (CAS No. 74003-63-7) is a high-purity heterocyclic carboxylic acid with the molecular formula C₁₀H₈N₂O₂. This compound, also known by its IUPAC name 3-methylquinoxaline-2-carboxylic acid, is a valuable building block in organic synthesis and pharmaceutical research. Its quinoxaline core structure makes it a versatile intermediate for the development of bioactive molecules, including potential antimicrobial and anticancer agents.

Our product is rigorously tested for purity and consistency, ensuring optimal performance in research applications. It is supplied as a fine powder with detailed analytical data (including ¹H NMR, HPLC, and mass spectrometry) available upon request. Suitable for use in medicinal chemistry, material science, and as a ligand in coordination chemistry.

Storage recommendations: Keep container tightly closed in a dry, well-ventilated place at room temperature. Shelf life of 24 months when stored properly.

Properties

• CAS Number: 74003-63-7
• Complexity: 232
• IUPAC Name: 3-methylquinoxaline-2-carboxylic acid
• InChI: InChI=1S/C10H8N2O2/c1-6-9(10(13)14)12-8-5-3-2-4-7(8)11-6/h2-5H,1H3,(H,13,14)
• InChI Key: BJPNADFNSANIPF-UHFFFAOYSA-N
• Exact Mass: 188.058577502
• Molecular Formula: C10H8N2O2
• Molecular Weight: 188.18
• SMILES: CC1=NC2=CC=CC=C2N=C1C(=O)O
• Topological: 63.1
• Monoisotopic Mass: 188.058577502
• Synonyms: 74003-63-7, 3-Methyl-2-quinoxalinecarboxylic acid, DTXSID10424475, DTXCID80375309, 635-366-6, 3-methylquinoxaline-2-carboxylic acid, 3-Methyl-quinoxaline-2-carboxylic acid, MQCA, MFCD03840415, 2-Quinoxalinecarboxylic acid, 3-methyl-, SCHEMBL2056931, SCHEMBL27541390, MSK7113, BCP25035, 3-methylquinoxaline-2-carboxylicacid, 3-Methyl-quinoxaline-2-carboxylic acid 100 microg/mL in Acetonitrile, STL476641, AKOS000558927, AG-0701, CS-W016815, FM25948, HY-W016099, PD088829, DB-074773, NS00040649, ST50401688, C76365, EN300-226768, Z1198163353, 3-Methyl-2-quinoxalinecarboxylic acid, VETRANAL(TM), analytical standard

Application

3-Methyl-2-quinoxalinecarboxylic acid serves as a key intermediate in the synthesis of quinoxaline derivatives with potential pharmacological activities. Researchers utilize this compound in the development of novel antimicrobial and antitumor agents due to its privileged heterocyclic scaffold. It’s also employed in material science as a building block for organic electronic materials. The carboxyl group allows for further functionalization through esterification or amidation reactions.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H319 (95.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (95.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P304+P340, P305+P351+P338, P319, P330, P337+P317, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Eye Irrit. 2 (95.1%)
• STOT SE 3 (95.1%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.