The CAS Registry Mumber 460358-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,0,3,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 460358-77: (8*4)+(7*6)+(6*0)+(5*3)+(4*5)+(3*8)+(2*7)+(1*7)=154 154 % 10 = 4 So 460358-77-4 is a valid CAS Registry Number.
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