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40317-83-7

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40317-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40317-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,1 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40317-83:
(7*4)+(6*0)+(5*3)+(4*1)+(3*7)+(2*8)+(1*3)=87
87 % 10 = 7
So 40317-83-7 is a valid CAS Registry Number.

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