(E)-2-(2,2-Dimethoxy-ethyl)-5,9-dimethyl-2-phenylsulfanyl-deca-4,8-dienoic acid ethyl ester is a complex organic compound with the molecular formula C21H30O5S. It is characterized by a deca-4,8-dienoic acid backbone, which features two double bonds at the 4th and 8th carbon positions. The molecule includes a 2-phenylsulfanyl group, which is a phenyl group attached to a sulfur atom, and a 2,2-dimethoxy-ethyl substituent, which contributes two methoxy groups. Additionally, it has two methyl groups at the 5th and 9th carbon positions, and an ethyl ester group, indicating that the carboxylic acid group is esterified with an ethyl group. (E)-2-(2,2-Dimethoxy-ethyl)-5,9-dimethyl-2-phenylsulfanyl-deca-4,8-dienoic acid ethyl ester is likely to be found in the realm of pharmaceuticals or as a synthetic intermediate due to its intricate structure and functional groups.
The CAS Registry Mumber 66867-13-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,6 and 7 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 66867-13: (7*6)+(6*6)+(5*8)+(4*6)+(3*7)+(2*1)+(1*3)=168 168 % 10 = 8 So 66867-13-8 is a valid CAS Registry Number.