High quality of Benzobarbital/CAS NO.744-80-9 1.The only producer in ... price; 3.CAS NO.744-80-9 High quality of Benzobarbital/CAS NO.744-80-9 [Chemical name] 1-Benzoyl-5 ... -ethyl-5-phenyl barbitoric acid [Commodity name ] Benzobarbital[ Formula ]C19H16N2O4 [Molecular weight ] 336.34 [Characteristics ]A white crystalline ...