The CAS Registry Mumber 94992-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,9,9 and 2 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 94992-41: (7*9)+(6*4)+(5*9)+(4*9)+(3*2)+(2*4)+(1*1)=183 183 % 10 = 3 So 94992-41-3 is a valid CAS Registry Number.
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