Tetrastannane,
2,2,3,3-tetrakis(1,1-dimethylethyl)-1,1,1,4,4,4-hexaphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 111469-90-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,4,6 and 9 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 111469-90: (8*1)+(7*1)+(6*1)+(5*4)+(4*6)+(3*9)+(2*9)+(1*0)=110 110 % 10 = 0 So 111469-90-0 is a valid CAS Registry Number.