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344405-66-9

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344405-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344405-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,0 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 344405-66:
(8*3)+(7*4)+(6*4)+(5*4)+(4*0)+(3*5)+(2*6)+(1*6)=129
129 % 10 = 9
So 344405-66-9 is a valid CAS Registry Number.

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