2-Ethyl-3,4,7-trimethyl-benzo[b]thiophene is an organic compound with the molecular formula C13H16S. It is a derivative of benzo[b]thiophene, a heterocyclic aromatic compound consisting of a benzene ring fused to a thiophene ring. The structure of 2-ethyl-3,4,7-trimethyl-benzo[b]thiophene is characterized by an ethyl group at the 2-position, and methyl groups at the 3, 4, and 7-positions. This chemical is primarily used as a fragrance ingredient, adding a rich, sweet, and woody scent to various products such as perfumes, cosmetics, and detergents. Due to its complex structure and unique odor profile, it is valued in the fragrance industry for its ability to contribute depth and complexity to scent compositions.
The CAS Registry Mumber 1012-85-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,1 and 2 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1012-85: (6*1)+(5*0)+(4*1)+(3*2)+(2*8)+(1*5)=37 37 % 10 = 7 So 1012-85-7 is a valid CAS Registry Number.