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501657-82-5

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501657-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501657-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,6,5 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 501657-82:
(8*5)+(7*0)+(6*1)+(5*6)+(4*5)+(3*7)+(2*8)+(1*2)=135
135 % 10 = 5
So 501657-82-5 is a valid CAS Registry Number.

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