The CAS Registry Mumber 73061-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,6 and 1 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 73061-22: (7*7)+(6*3)+(5*0)+(4*6)+(3*1)+(2*2)+(1*2)=100 100 % 10 = 0 So 73061-22-0 is a valid CAS Registry Number.
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