The CAS Registry Mumber 114273-69-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,2,7 and 3 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 114273-69: (8*1)+(7*1)+(6*4)+(5*2)+(4*7)+(3*3)+(2*6)+(1*9)=107 107 % 10 = 7 So 114273-69-7 is a valid CAS Registry Number.
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