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42966-31-4

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42966-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42966-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,6 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42966-31:
(7*4)+(6*2)+(5*9)+(4*6)+(3*6)+(2*3)+(1*1)=134
134 % 10 = 4
So 42966-31-4 is a valid CAS Registry Number.

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