The CAS Registry Mumber 1449662-09-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,6,6 and 2 respectively; the second part has 2 digits, 0 and 9 respectively. Calculate Digit Verification of CAS Registry Number 1449662-09: (9*1)+(8*4)+(7*4)+(6*9)+(5*6)+(4*6)+(3*2)+(2*0)+(1*9)=192 192 % 10 = 2 So 1449662-09-2 is a valid CAS Registry Number.
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