The CAS Registry Mumber 248246-46-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,8,2,4 and 6 respectively; the second part has 2 digits, 4 and 6 respectively. Calculate Digit Verification of CAS Registry Number 248246-46: (8*2)+(7*4)+(6*8)+(5*2)+(4*4)+(3*6)+(2*4)+(1*6)=150 150 % 10 = 0 So 248246-46-0 is a valid CAS Registry Number.
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