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1213643-53-8

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1213643-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1213643-53-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,6,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1213643-53:
(9*1)+(8*2)+(7*1)+(6*3)+(5*6)+(4*4)+(3*3)+(2*5)+(1*3)=118
118 % 10 = 8
So 1213643-53-8 is a valid CAS Registry Number.

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