3,5,7,9-tetrakis-chloromethyl-1,1,1,3,5,7,9,11,11,11-decamethyl-hexasiloxane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 17866-49-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,6 and 6 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 17866-49: (7*1)+(6*7)+(5*8)+(4*6)+(3*6)+(2*4)+(1*9)=148 148 % 10 = 8 So 17866-49-8 is a valid CAS Registry Number.