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800-25-9

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800-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 800-25-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 800-25:
(5*8)+(4*0)+(3*0)+(2*2)+(1*5)=49
49 % 10 = 9
So 800-25-9 is a valid CAS Registry Number.

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