Chemical Name:2-Pyrazinecarboxylic acid
CAS No.: 98-97-5
Molecular formula: C5H4N2O2
Molecular weight: 124.1
Related Categories: Other APIs; Pharmaceutical Intermediates; Intermediates; Small Molecule Inhibitors; Amino Acids and Derivatives;

Nature
Melting point | 222-225 °C (dec.)(lit.) |
Boiling point | 230.85°C (rough estimate) |
Density | 1.4317 (rough estimate) |
Refractive index | 1.4800 (estimate) |
Storage conditions | Store below +30°C. |
form | Crystalline Powder |
Acidity coefficient (pKa) | pK (25°) 2.92 |
colour | White to off-white |
Water solubility | SOLUBLE IN COLD WATER |
Merck | 14,8970 |
BRN | 112305 |
InChIKey | NIPZZXUFJPQHNH-UHFFFAOYSA-N |
CAS database | 98-97-5(CAS DataBase Reference) |
Chemical properties
White needle crystals. Melting point 225 ° C (decomposition), soluble in hot water, insoluble in ether, chloroform, benzene, etc., can sublimate.
Use
It can be obtained by pyrolysis of 2,3-pyrazinedicarboxylic acid, and can also be obtained by oxidation with alkylpyrazine, an intermediate of oltipraz.