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99540-11-1

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99540-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99540-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,4 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99540-11:
(7*9)+(6*9)+(5*5)+(4*4)+(3*0)+(2*1)+(1*1)=161
161 % 10 = 1
So 99540-11-1 is a valid CAS Registry Number.

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