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39740-61-9

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39740-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39740-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,4 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39740-61:
(7*3)+(6*9)+(5*7)+(4*4)+(3*0)+(2*6)+(1*1)=139
139 % 10 = 9
So 39740-61-9 is a valid CAS Registry Number.

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