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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 81342Generated: October 23, 2026

Quinoxaline-2,3-dicarboxylic acid

NSC 402845 · 2,3-Dicarboxyquinoxaline · 2,3-Quinoxalinedicarboxylic acid

https://huagongshe.com/en/chemical/81342

Quinoxaline-2,3-dicarboxylic acid molecular structure

Identifiers & Physical Properties

CAS No.6924-99-8
Molecular formulaC10H6N2O4
Average molar mass218.17 g/mol
Monoisotopic mass218.03275667 g/mol
SMILESO=C(O)c1nc2ccccc2nc1C(=O)O
InChIKeyCQZDWYYGOZOTHY-UHFFFAOYSA-N
PubChem CID81342
ChEMBLCHEMBL1410615
EC No.230-046-9
DTXSIDDTXSID10219303

Chemical & Physical Properties

XLogP0.9
Topological polar surface area100
Hydrogen bond donors2
Hydrogen bond acceptors6
Rotatable bonds2
Heavy atoms16
Formal charge0
Complexity277
Melting point110 °C (decomp)
Boiling point430.6±45.0 °C(Predicted)
Density1.615±0.06 g/cm3(Predicted)
pKa (acidity coefficient)1.38±0.30(Predicted)
FDA UNIISA97RT8ZGP