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161869-99-4

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161869-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161869-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161869-99:
(8*1)+(7*6)+(6*1)+(5*8)+(4*6)+(3*9)+(2*9)+(1*9)=174
174 % 10 = 4
So 161869-99-4 is a valid CAS Registry Number.

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