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501655-65-8

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501655-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501655-65-8 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 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 501655-65:
(8*5)+(7*0)+(6*1)+(5*6)+(4*5)+(3*5)+(2*6)+(1*5)=128
128 % 10 = 8
So 501655-65-8 is a valid CAS Registry Number.

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