2,4,6-Trimethyl-2,4,6,8-tetraphenyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 20089-49-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 20089-49: (7*2)+(6*0)+(5*0)+(4*8)+(3*9)+(2*4)+(1*9)=90 90 % 10 = 0 So 20089-49-0 is a valid CAS Registry Number.