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28253-52-3

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28253-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28253-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28253-52:
(7*2)+(6*8)+(5*2)+(4*5)+(3*3)+(2*5)+(1*2)=113
113 % 10 = 3
So 28253-52-3 is a valid CAS Registry Number.

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