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6449-17-8

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6449-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6449-17-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6449-17:
(6*6)+(5*4)+(4*4)+(3*9)+(2*1)+(1*7)=108
108 % 10 = 8
So 6449-17-8 is a valid CAS Registry Number.

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