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99981-45-0

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99981-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99981-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,8 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99981-45:
(7*9)+(6*9)+(5*9)+(4*8)+(3*1)+(2*4)+(1*5)=210
210 % 10 = 0
So 99981-45-0 is a valid CAS Registry Number.
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