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191659-83-3

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191659-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191659-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,6,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 191659-83:
(8*1)+(7*9)+(6*1)+(5*6)+(4*5)+(3*9)+(2*8)+(1*3)=173
173 % 10 = 3
So 191659-83-3 is a valid CAS Registry Number.

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