The CAS Registry Mumber 251980-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,9,8 and 0 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 251980-62: (8*2)+(7*5)+(6*1)+(5*9)+(4*8)+(3*0)+(2*6)+(1*2)=148 148 % 10 = 8 So 251980-62-8 is a valid CAS Registry Number.
Get Best Price for251980-62-8tert-Butyl-((3S,4aR,6aR,6bS,14aR,14bR)-4,4,6a,6b,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,9,10,11,12,14,14a,14b-octadecahydro-picen-3-yloxy)-dimethyl-silane