3,5-dioxo-4-phenyl-[1,2,4]oxadiazolidine-2-carboxylic acid ethyl ester is a complex organic compound with the chemical formula C11H9N2O5. It is a derivative of oxadiazolidine, a heterocyclic ring system containing oxygen and nitrogen atoms. This specific compound features a phenyl group attached to the oxadiazolidine ring, with two carbonyl groups (C=O) at positions 3 and 5, and an ethyl ester group at the carboxylic acid position. It is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. Due to its reactivity and potential applications, it is important to handle 3,5-dioxo-4-phenyl-[1,2,4]oxadiazolidine-2-carboxylic acid ethyl ester with care, following proper safety protocols.
The CAS Registry Mumber 5302-24-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,0 and 2 respectively; the second part has 2 digits, 2 and 4 respectively. Calculate Digit Verification of CAS Registry Number 5302-24: (6*5)+(5*3)+(4*0)+(3*2)+(2*2)+(1*4)=59 59 % 10 = 9 So 5302-24-9 is a valid CAS Registry Number.