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317377-31-4

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317377-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 317377-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,3,7 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 317377-31:
(8*3)+(7*1)+(6*7)+(5*3)+(4*7)+(3*7)+(2*3)+(1*1)=144
144 % 10 = 4
So 317377-31-4 is a valid CAS Registry Number.

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