The CAS Registry Mumber 85614-12-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,1 and 4 respectively; the second part has 2 digits, 1 and 2 respectively. Calculate Digit Verification of CAS Registry Number 85614-12: (7*8)+(6*5)+(5*6)+(4*1)+(3*4)+(2*1)+(1*2)=136 136 % 10 = 6 So 85614-12-6 is a valid CAS Registry Number.
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