Cinnoline is a heterocyclic organic compound with the chemical formula C?H?N?. It is a tricyclic aromatic compound consisting of a pyridine ring fused to an indole ring, with the nitrogen atoms at positions 1 and 3. Cinnoline is known for its various applications in pharmaceuticals, agrochemicals, and dyes. It can be synthesized through several methods, including the condensation of ortho-aminobenzaldehyde with ortho-aminobenzoic acid or its derivatives. Due to its unique structure and properties, cinnoline and its derivatives have been extensively studied for their potential as antimicrobial, anticancer, and anti-inflammatory agents.
The CAS Registry Mumber 7052-13-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,5 and 2 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 7052-13: (6*7)+(5*0)+(4*5)+(3*2)+(2*1)+(1*3)=73 73 % 10 = 3 So 7052-13-3 is a valid CAS Registry Number.