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41989-57-5

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41989-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41989-57-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,9,8 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 41989-57:
(7*4)+(6*1)+(5*9)+(4*8)+(3*9)+(2*5)+(1*7)=155
155 % 10 = 5
So 41989-57-5 is a valid CAS Registry Number.

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