Diethyl 2-methoxyazulene-1,3-dicarboxylate is a complex organic compound with the molecular formula C18H22O5. It is derived from azulene, a naturally occurring hydrocarbon found in coal tar and petroleum, and is characterized by its unique aromatic structure. This specific derivative features two ester groups (dicarboxylate) at the 1 and 3 positions, and a methoxy group at the 2 position, which are connected to the azulene core. The compound is synthesized by reacting azulene with diethyl oxalate in the presence of a catalyst, such as a strong acid. Diethyl 2-methoxyazulene-1,3-dicarboxylate is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals due to its versatile chemical structure and reactivity.
The CAS Registry Mumber 969-52-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,6 and 9 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 969-52: (5*9)+(4*6)+(3*9)+(2*5)+(1*2)=108 108 % 10 = 8 So 969-52-8 is a valid CAS Registry Number.