The CAS Registry Mumber 87680-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,8 and 0 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 87680-62: (7*8)+(6*7)+(5*6)+(4*8)+(3*0)+(2*6)+(1*2)=174 174 % 10 = 4 So 87680-62-4 is a valid CAS Registry Number.
Get Best Price for87680-62-4(S)-2-{(1R,3aS,7aR)-4-[1-((S)-2,2-Dioxo-6-triethylsilanyloxy-2,3,4,5,6,7-hexahydro-1H-2λ6-benzo[c]thiophen-1-yl)-meth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-propionaldehyde