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190909-71-8

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190909-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190909-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,0 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 190909-71:
(8*1)+(7*9)+(6*0)+(5*9)+(4*0)+(3*9)+(2*7)+(1*1)=158
158 % 10 = 8
So 190909-71-8 is a valid CAS Registry Number.

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