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198221-13-5

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198221-13-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198221-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,2,2 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 198221-13:
(8*1)+(7*9)+(6*8)+(5*2)+(4*2)+(3*1)+(2*1)+(1*3)=145
145 % 10 = 5
So 198221-13-5 is a valid CAS Registry Number.

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