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685107-54-4

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685107-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 685107-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,1,0 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 685107-54:
(8*6)+(7*8)+(6*5)+(5*1)+(4*0)+(3*7)+(2*5)+(1*4)=174
174 % 10 = 4
So 685107-54-4 is a valid CAS Registry Number.

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