The CAS Registry Mumber 1072913-62-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,9,1 and 3 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 1072913-62: (9*1)+(8*0)+(7*7)+(6*2)+(5*9)+(4*1)+(3*3)+(2*6)+(1*2)=142 142 % 10 = 2 So 1072913-62-2 is a valid CAS Registry Number.
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