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402956-80-3

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402956-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 402956-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,9,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 402956-80:
(8*4)+(7*0)+(6*2)+(5*9)+(4*5)+(3*6)+(2*8)+(1*0)=143
143 % 10 = 3
So 402956-80-3 is a valid CAS Registry Number.

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