Scientific information on chemical compounds included in crude drugs
Allantoin

Molecular formula C4H6N4O3
Average molecular mass
(Molecular weight)
158.12
Exact molecular mass 158.04399 
[M+H]+ 159.052 
[M-H]- 157.036 
CAS  
NIKKAJI  
PUBCHEM No. 204
Crude drug Bearberry Leaf,Pueraria Root,Dioscorea Rhizome,Lithospermum Root,Dutchmanspipe Root
IUPAC_NAME (2,5-dioxoimidazolidin-4-yl)urea
Remarks InChIKey (PubChem): POJWUDADGALRAB-UHFFFAOYSA-N