β--β,β-dimethyl-propionsaeure-methylester, also known as methyl 3-(m-tolyl)-3,3-dimethylpropionate, is an organic compound with the chemical formula C12H16O2. It is a colorless liquid with a fruity, apple-like odor. This ester is derived from the parent compound propionic acid, where the hydrogen atoms at the β-position are replaced by a methyl group and a m-tolyl group. The m-tolyl group is a methyl-substituted phenyl ring, which contributes to the compound's unique scent. β--β,β-dimethyl-propionsaeure-methylester is used in the fragrance industry, particularly in the creation of apple and fruity aromas, and can also be found in some flavorings. Its chemical structure and properties make it a valuable component in the synthesis of various fragrances and flavors.
The CAS Registry Mumber 19355-33-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,5 and 5 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 19355-33: (7*1)+(6*9)+(5*3)+(4*5)+(3*5)+(2*3)+(1*3)=120 120 % 10 = 0 So 19355-33-0 is a valid CAS Registry Number.