The CAS Registry Mumber 82485-14-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,8 and 5 respectively; the second part has 2 digits, 1 and 4 respectively. Calculate Digit Verification of CAS Registry Number 82485-14: (7*8)+(6*2)+(5*4)+(4*8)+(3*5)+(2*1)+(1*4)=141 141 % 10 = 1 So 82485-14-1 is a valid CAS Registry Number.
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