Pyrazinoic acid

Pyrazinoic acid
Names
	IUPAC name pyrazine-2-carboxylic acid
Identifiers
CAS Number	98-97-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:71311 ;
ChEMBL	ChEMBL613 ;
ChemSpider	1018 ;
ECHA InfoCard	100.002.471
MeSH	Pyrazinoic+acid
PubChem CID	1047;
CompTox Dashboard (EPA)	DTXSID30243367 ;
	InChI InChI=1S/C5H4N2O2/c8-5(9)4-3-6-1-2-7-4/h1-3H,(H,8,9) Key: NIPZZXUFJPQHNH-UHFFFAOYSA-N ; InChI=1/C5H4N2O2/c8-5(9)4-3-6-1-2-7-4/h1-3H,(H,8,9) Key: NIPZZXUFJPQHNH-UHFFFAOYAS;
	SMILES O=C(O)c1nccnc1;
Properties
Chemical formula	C5H4N2O2
Molar mass	124.10 g/mol
Appearance	white to off white crystalline powder
Density	1.403g/cm3
Melting point	222 to 225 °C (432 to 437 °F; 495 to 498 K)
Boiling point	313.1 °C (595.6 °F; 586.2 K) at 760 mmHg
Solubility in water	soluble in cold water
Acidity (pKa)	2.9
Hazards
Flash point	143.1 °C (289.6 °F; 416.2 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Pyrazinoic acid is a pyrazinamide metabolite.

Derivatives/uses

It is a part of the bortezomib molecule.

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