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12738-31-7

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12738-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 12738-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,7,3 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12738-31:
(7*1)+(6*2)+(5*7)+(4*3)+(3*8)+(2*3)+(1*1)=97
97 % 10 = 7
So 12738-31-7 is a valid CAS Registry Number.

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