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20200-79-7

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20200-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20200-79-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,0 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20200-79:
(7*2)+(6*0)+(5*2)+(4*0)+(3*0)+(2*7)+(1*9)=47
47 % 10 = 7
So 20200-79-7 is a valid CAS Registry Number.

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