The CAS Registry Mumber 141045-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,0,4 and 5 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 141045-99: (8*1)+(7*4)+(6*1)+(5*0)+(4*4)+(3*5)+(2*9)+(1*9)=100 100 % 10 = 0 So 141045-99-0 is a valid CAS Registry Number.
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