The CAS Registry Mumber 60146-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,1,4 and 6 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 60146-98: (7*6)+(6*0)+(5*1)+(4*4)+(3*6)+(2*9)+(1*8)=107 107 % 10 = 7 So 60146-98-7 is a valid CAS Registry Number.
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