4,10-Dioxa-3,11-disilatridecane,
8-ethyl-2,2,3,3,11,11,12,12-octamethyl-5-[(1S)-1-methyl-2-propenyl]-,
(5S,8R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 189760-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,7,6 and 0 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 189760-82: (8*1)+(7*8)+(6*9)+(5*7)+(4*6)+(3*0)+(2*8)+(1*2)=195 195 % 10 = 5 So 189760-82-5 is a valid CAS Registry Number.