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196943-31-4

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196943-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 196943-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,9,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 196943-31:
(8*1)+(7*9)+(6*6)+(5*9)+(4*4)+(3*3)+(2*3)+(1*1)=184
184 % 10 = 4
So 196943-31-4 is a valid CAS Registry Number.

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