Hydantoic acid

Hydantoic acid is an acid with the chemical formula C₃H₆N₂O₃. Its molecule contains a total of 13 bonds including seven non-H bonds, two multiple bonds, two rotatable bonds, two double bonds, one carboxylic acid (aliphatic), one urea derivative, and one hydroxyl group.^[1] It can be obtained from uric acid^[2] as well as from glycine with urea in the presence of alkali. ^[3]

Hydantoic acid

Names
IUPAC name N-Carbamoylglycine
Systematic IUPAC name (Carbamoylamino)acetic acid
Other names Ureidoacetic acid Carbamoylglycine Glycoluric acid N-Carbamylglycine 2-Ureidoacetic acid [(Aminocarbonyl)amino]acetic acid
Identifiers
CAS Number	462-60-2
3D model (JSmol)	Interactive image
ChEBI	CHEBI:133351
ChemSpider	9626
ECHA InfoCard	100.006.663
EC Number	207-328-5
PubChem CID	10020
UNII	Q4F314U63K
CompTox Dashboard (EPA)	DTXSID7060045
InChI InChI=1S/C3H6N2O3/c4-3(8)5-1-2(6)7/h1H2,(H,6,7)(H3,4,5,8) Key: KZVRXPPUJQRGFN-UHFFFAOYSA-N
SMILES NC(=O)NCC(O)=O
Properties
Chemical formula	C3H6N2O3
Molar mass	118.092 g·mol−1
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H315, H319, H335
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references