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667403-23-8

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667403-23-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 667403-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,4,0 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 667403-23:
(8*6)+(7*6)+(6*7)+(5*4)+(4*0)+(3*3)+(2*2)+(1*3)=168
168 % 10 = 8
So 667403-23-8 is a valid CAS Registry Number.

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