The CAS Registry Mumber 108637-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,6,3 and 7 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 108637-92: (8*1)+(7*0)+(6*8)+(5*6)+(4*3)+(3*7)+(2*9)+(1*2)=139 139 % 10 = 9 So 108637-92-9 is a valid CAS Registry Number.
Get Best Price for108637-92-9Acetic acid (5S,8aR,10aS)-4-hydroxy-3,5-dimethoxy-7-methyl-9,10-dioxo-5,6-bis-trimethylsilanyloxy-5,8,8a,9,10,10a-hexahydro-anthracen-2-yl ester