1,3-Benzenedicarboxylic acid, 5-methoxy-4-nitro-, also known as 4-nitro-5-methoxy isophthalic acid, is an organic compound with the chemical formula C9H7NO6. It is a derivative of isophthalic acid, featuring a nitro group at the 4-position and a methoxy group at the 5-position. 1,3-Benzenedicarboxylic acid, 5-methoxy-4-nitro- is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals, dyes, and other chemical products. Its chemical structure is characterized by a benzene ring with two carboxylic acid groups at the 1 and 3 positions, a nitro group at the 4 position, and a methoxy group at the 5 position.
The CAS Registry Mumber 90322-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,2 and 2 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 90322-75: (7*9)+(6*0)+(5*3)+(4*2)+(3*2)+(2*7)+(1*5)=111 111 % 10 = 1 So 90322-75-1 is a valid CAS Registry Number.