4-bromo-benzo[b]thiophene-1,1-dioxide is a chemical compound with the molecular formula C8H5BrOS. It is a derivative of benzo[b]thiophene, which is a heterocyclic compound consisting of a benzene ring fused to a thiophene ring. The presence of a bromine atom at the 4-position and a sulfone group (-SO2) at the 1-position distinguishes 4-bromo-benzo[b]thiophene-1,1-dioxide from its parent structure. This specific arrangement of atoms and functional groups endows 4-bromo-benzo[b]thiophene-1,1-dioxide with unique chemical properties and potential applications in various fields, such as pharmaceuticals, agrochemicals, and materials science.
The CAS Registry Mumber 5118-14-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,1 and 8 respectively; the second part has 2 digits, 1 and 4 respectively. Calculate Digit Verification of CAS Registry Number 5118-14: (6*5)+(5*1)+(4*1)+(3*8)+(2*1)+(1*4)=69 69 % 10 = 9 So 5118-14-9 is a valid CAS Registry Number.