Pentastannane,
2,2,3,3,4,4-hexakis(1,1-dimethylethyl)-1,1,1,5,5,5-hexaphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 111469-91-1 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 1 respectively. Calculate Digit Verification of CAS Registry Number 111469-91: (8*1)+(7*1)+(6*1)+(5*4)+(4*6)+(3*9)+(2*9)+(1*1)=111 111 % 10 = 1 So 111469-91-1 is a valid CAS Registry Number.