Allantoic acid

Allantoic acid
	Skeletal formula of allantoic acid
Names
	Preferred IUPAC name Bis(carbamoylamino)acetic acid
	Other names 2,2-Di[(aminocarbonyl)amino]acetic acid[ citation needed ]; Diureidoacetate[ citation needed ]; 2,2-Diureidoacetic acid[ citation needed ];
Identifiers
CAS Number	99-16-1 ;
3D model (JSmol)	Interactive image ;
Beilstein Reference	1790227
ChEBI	CHEBI:30837 ;
ChemSpider	198 ;
ECHA InfoCard	100.002.487
EC Number	202-735-4;
Gmelin Reference	240954
KEGG	C00499 ;
MeSH	allantoic+acid
PubChem CID	203 ;
UNII	02WGT7SHWJ ;
CompTox Dashboard (EPA)	DTXSID3059187 ;
	InChI InChI=1S/C4H8N4O4/c5-3(11)7-1(2(9)10)8-4(6)12/h1H,(H,9,10)(H3,5,7,11)(H3,6,8,12) Key: NUCLJNSWZCHRKL-UHFFFAOYSA-N ;
	SMILES NC(=O)NC(NC(N)=O)C(O)=O;
Properties
Chemical formula	C4H8N4O4
Molar mass	176.132 g·mol−1
Density	1.618 g mL−1
Hazards
Flash point	219.4 °C (426.9 °F; 492.5 K)
Related compounds
Related compounds	Noxytiolin ; 1,1,3,3-Tetramethylguanidine ; Metformin ; Carmustine ;
	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

Last updated June 08, 2025

Allantoic acid is an organic compound with the chemical formula C₄H₈N₄O₄. It is a crystalline acid obtained by hydrolysis of allantoin.

In nature, allantoic acid is produced from allantoin by the enzyme allantoinase (encoded by the gene AllB (Uniprot: P77671) in Escherichia coli and other bacteria).

References

↑ "allantoic acid - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification. Retrieved 27 June 2012.

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[1] "allantoic acid - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification. Retrieved 27 June 2012.

[1]

Names
Skeletal formula of allantoic acid
Preferred IUPAC name Bis(carbamoylamino)acetic acid^[1]
Other names 2,2-Di[(aminocarbonyl)amino]acetic acid^{[ citation needed ]} Diureidoacetate^{[ citation needed ]} 2,2-Diureidoacetic acid^{[ citation needed ]}
Identifiers
CAS Number	99-16-1 ^N
3D model (JSmol)	Interactive image
Beilstein Reference	1790227
ChEBI	CHEBI:30837 ^Y
ChemSpider	198 ^Y
ECHA InfoCard	100.002.487
EC Number	202-735-4
Gmelin Reference	240954
KEGG	C00499 ^N
MeSH	allantoic+acid
PubChem CID	203
UNII	02WGT7SHWJ ^N
CompTox Dashboard (EPA)	DTXSID3059187
InChI InChI=1S/C4H8N4O4/c5-3(11)7-1(2(9)10)8-4(6)12/h1H,(H,9,10)(H3,5,7,11)(H3,6,8,12)^Y Key: NUCLJNSWZCHRKL-UHFFFAOYSA-N^Y
SMILES NC(=O)NC(NC(N)=O)C(O)=O
Properties
Chemical formula	C₄H₈N₄O₄
Molar mass	176.132 g·mol⁻¹
Density	1.618 g mL⁻¹
Hazards
Flash point	219.4 °C (426.9 °F; 492.5 K)
Related compounds
Related compounds	Noxytiolin 1,1,3,3-Tetramethylguanidine Metformin Carmustine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references