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31199-12-9

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31199-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31199-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,9 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 31199-12:
(7*3)+(6*1)+(5*1)+(4*9)+(3*9)+(2*1)+(1*2)=99
99 % 10 = 9
So 31199-12-9 is a valid CAS Registry Number.

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