Metrizoic acid

Metrizoic acid

Skeletal formula of metrizoic acid
Space-filling model of the metrizoic acid molecule
Systematic (IUPAC) name
3-(acetylamino)-5-[acetyl(methyl)amino]-2,4,6-triiodobenzoic acid
Identifiers
CAS Number	1949-45-7
ATC code	V08AA02 (WHO)
PubChem	CID: 2528
ChemSpider	2433
KEGG	C14165
ChEBI	CHEBI:34847
ChEMBL	CHEMBL1736 Y
Chemical data
Formula	C12H11I3N2O4
Molecular mass	627.94 g/mol
SMILES CC(=O)NC1=C(C(=C(C(=C1I)C(=O)O)I)N(C)C(=O)C)I
InChI InChI=1S/C12H11I3N2O4/c1-4(18)16-10-7(13)6(12(20)21)8(14)11(9(10)15)17(3)5(2)19/h1-3H3,(H,16,18)(H,20,21) Key:GGGDNPWHMNJRFN-UHFFFAOYSA-N

Metrizoic acid is a molecule used as a contrast medium. Due to its high osmolality, Metrizoic acid has a risk of inducing allergic reactions compared to lower osmolar contrast media.