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23520-89-0

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23520-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23520-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 23520-89:
(7*2)+(6*3)+(5*5)+(4*2)+(3*0)+(2*8)+(1*9)=90
90 % 10 = 0
So 23520-89-0 is a valid CAS Registry Number.

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