The CAS Registry Mumber 96251-26-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,2,5 and 1 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 96251-26: (7*9)+(6*6)+(5*2)+(4*5)+(3*1)+(2*2)+(1*6)=142 142 % 10 = 2 So 96251-26-2 is a valid CAS Registry Number.
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