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39723-66-5

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39723-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39723-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 39723-66:
(7*3)+(6*9)+(5*7)+(4*2)+(3*3)+(2*6)+(1*6)=145
145 % 10 = 5
So 39723-66-5 is a valid CAS Registry Number.

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