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21968-11-6

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21968-11-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21968-11-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,6 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21968-11:
(7*2)+(6*1)+(5*9)+(4*6)+(3*8)+(2*1)+(1*1)=116
116 % 10 = 6
So 21968-11-6 is a valid CAS Registry Number.

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