3-Fluor-benzolsulfonsaeure-aethylester, also known as 3-fluorobenzenesulfonic acid ethyl ester, is an organic compound with the chemical formula C8H9FO3S. It is a derivative of benzenesulfonic acid, featuring a fluorine atom at the 3-position and an ethyl ester group attached to the sulfonic acid moiety. 3-Fluor-benzolsulfonsaeure-aethylester is a colorless to pale yellow liquid and is soluble in organic solvents. It is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity and potential applications, it is an important building block in the chemical industry.
The CAS Registry Mumber 3831-54-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,3 and 1 respectively; the second part has 2 digits, 5 and 4 respectively. Calculate Digit Verification of CAS Registry Number 3831-54: (6*3)+(5*8)+(4*3)+(3*1)+(2*5)+(1*4)=87 87 % 10 = 7 So 3831-54-7 is a valid CAS Registry Number.