News Barbituric acid 67-52-7 C4H4N2O3 Posted on September 28, 2011October 8, 2011 by lifeng Barbituric acid Chemical name: Malonylurea Molecular weight: 128.09 Chemical formula: C4H4N2O3 CAS: 67-52-7 Description: White crystalline. Soluble in Ether. dilute acit, hot water, Slightly soluble…