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99611-90-2

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99611-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99611-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,1 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99611-90:
(7*9)+(6*9)+(5*6)+(4*1)+(3*1)+(2*9)+(1*0)=172
172 % 10 = 2
So 99611-90-2 is a valid CAS Registry Number.

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