2-phenyl-4-(5-phenyl-[1,3,4]oxadiazol-2-yl)-allophanic acid butyl ester is a complex organic compound with a molecular formula of C21H18N2O4. It is characterized by the presence of a phenyl group, an oxadiazole ring, and an allophanic acid structure. The butyl ester group is attached to the allophanic acid, which is a derivative of the parent compound, allophanic acid. This chemical is known for its potential applications in various fields, such as pharmaceuticals and materials science, due to its unique structure and properties. The compound's specific use and properties are not detailed in the provided information, but its chemical structure suggests that it may have specific reactivity or stability that could be exploited in chemical or biological systems.
The CAS Registry Mumber 6694-26-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,9 and 4 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 6694-26: (6*6)+(5*6)+(4*9)+(3*4)+(2*2)+(1*6)=124 124 % 10 = 4 So 6694-26-4 is a valid CAS Registry Number.