1-(2,3,4-Trimethyl-phenyl)-ethan-1-on-oxim is an organic compound with the molecular formula C12H17NO. It is a derivative of acetophenone, featuring a phenyl ring with three methyl groups attached at the 2, 3, and 4 positions, and an oxime group at the 1-position of the ethanone moiety. 1-(2,3,4-Trimethyl-phenyl)-ethan-1-on-oxim is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, as well as its use as a chemical intermediate in the production of dyes and pigments. The oxime group in this molecule is significant as it can participate in various chemical reactions, such as the formation of oximes, which are important in the detection and analysis of carbonyl compounds.
The CAS Registry Mumber 1639-33-4 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 9 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 1639-33: (6*1)+(5*6)+(4*3)+(3*9)+(2*3)+(1*3)=84 84 % 10 = 4 So 1639-33-4 is a valid CAS Registry Number.