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40252-23-1

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40252-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40252-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,5 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40252-23:
(7*4)+(6*0)+(5*2)+(4*5)+(3*2)+(2*2)+(1*3)=71
71 % 10 = 1
So 40252-23-1 is a valid CAS Registry Number.
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