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422272-17-1

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422272-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 422272-17-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,2,2,7 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 422272-17:
(8*4)+(7*2)+(6*2)+(5*2)+(4*7)+(3*2)+(2*1)+(1*7)=111
111 % 10 = 1
So 422272-17-1 is a valid CAS Registry Number.

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