The CAS Registry Mumber 69956-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively. Calculate Digit Verification of CAS Registry Number 69956-67: (7*6)+(6*9)+(5*9)+(4*5)+(3*6)+(2*6)+(1*7)=198 198 % 10 = 8 So 69956-67-8 is a valid CAS Registry Number.
Get Best Price for69956-67-84,7-diphenyl-(3ar,3bc,3cr',7ac',7bc,7cc,7dc,7ec)-3a,3b,3c,7a,7b,7c,7d,7e-octahydro-cyclopropa[3,4][1,3]dioxolo[4',5':5,6]pentaleno[1,2-d]pyridazine