The CAS Registry Mumber 52029-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,2 and 9 respectively; the second part has 2 digits, 6 and 8 respectively. Calculate Digit Verification of CAS Registry Number 52029-68: (7*5)+(6*2)+(5*0)+(4*2)+(3*9)+(2*6)+(1*8)=102 102 % 10 = 2 So 52029-68-2 is a valid CAS Registry Number.
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