2,4,6,8-Tetrabutoxy-2,4,6,8-tetravinyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 110991-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,9,9 and 1 respectively; the second part has 2 digits, 1 and 2 respectively. Calculate Digit Verification of CAS Registry Number 110991-12: (8*1)+(7*1)+(6*0)+(5*9)+(4*9)+(3*1)+(2*1)+(1*2)=103 103 % 10 = 3 So 110991-12-3 is a valid CAS Registry Number.