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121815-32-5

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121815-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121815-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,1 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121815-32:
(8*1)+(7*2)+(6*1)+(5*8)+(4*1)+(3*5)+(2*3)+(1*2)=95
95 % 10 = 5
So 121815-32-5 is a valid CAS Registry Number.

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