5,10,11-Trithiadispiro[3.1.3.2]undecane,
2,2,8,8-tetrachloro-1,1,3,3,7,7,9,9-octamethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 872880-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,8 and 0 respectively; the second part has 2 digits, 3 and 4 respectively. Calculate Digit Verification of CAS Registry Number 872880-34: (8*8)+(7*7)+(6*2)+(5*8)+(4*8)+(3*0)+(2*3)+(1*4)=207 207 % 10 = 7 So 872880-34-7 is a valid CAS Registry Number.