The CAS Registry Mumber 96747-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,7,4 and 7 respectively; the second part has 2 digits, 4 and 8 respectively. Calculate Digit Verification of CAS Registry Number 96747-48: (7*9)+(6*6)+(5*7)+(4*4)+(3*7)+(2*4)+(1*8)=187 187 % 10 = 7 So 96747-48-7 is a valid CAS Registry Number.
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