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157731-24-3

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157731-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157731-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,3 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157731-24:
(8*1)+(7*5)+(6*7)+(5*7)+(4*3)+(3*1)+(2*2)+(1*4)=143
143 % 10 = 3
So 157731-24-3 is a valid CAS Registry Number.

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