The CAS Registry Mumber 112532-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,5,3 and 2 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 112532-75: (8*1)+(7*1)+(6*2)+(5*5)+(4*3)+(3*2)+(2*7)+(1*5)=89 89 % 10 = 9 So 112532-75-9 is a valid CAS Registry Number.
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