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2-Pyrazinecarboxylic Acid

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

98-97-5

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.


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