3-Isopropyl-5-methyl-phthalic acid is an organic compound with the chemical formula C12H12O4. It is a derivative of phthalic acid, characterized by the presence of an isopropyl group (-CH(CH3)2) at the 3rd carbon and a methyl group (-CH3) at the 5th carbon of the phthalic acid structure. This white crystalline solid is used as an intermediate in the synthesis of various dyes, pharmaceuticals, and other chemical products. Its chemical properties include acidity, which allows it to form salts and esters, and it is soluble in organic solvents. The compound is synthesized through various chemical reactions, such as the condensation of terephthalaldehyde with acetic anhydride, followed by hydrolysis. Due to its potential applications and chemical reactivity, 3-isopropyl-5-methyl-phthalic acid is an important compound in the field of organic chemistry.
The CAS Registry Mumber 4424-29-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,2 and 4 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 4424-29: (6*4)+(5*4)+(4*2)+(3*4)+(2*2)+(1*9)=77 77 % 10 = 7 So 4424-29-7 is a valid CAS Registry Number.