2-Benzoyloxy-2-methyl-butyrsaeurechlorid, also known as 2-benzoyl-2-methylbutyryl chloride, is an organic compound with the chemical formula C12H13ClO3. It is a derivative of butyric acid, featuring a benzoyloxy group and a methyl group attached to the second carbon atom. This colorless liquid is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is typically produced through the reaction of 2-methylbutyric acid with benzoyl chloride in the presence of a catalyst. Due to its reactivity, it is important to handle 2-Benzoyloxy-2-methyl-buttersaeurechlorid with care, as it can undergo further reactions, such as nucleophilic substitutions, to form a variety of esters and amides.
The CAS Registry Mumber 1638-61-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 8 respectively; the second part has 2 digits, 6 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1638-61: (6*1)+(5*6)+(4*3)+(3*8)+(2*6)+(1*1)=85 85 % 10 = 5 So 1638-61-5 is a valid CAS Registry Number.