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1030420-04-2

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1030420-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1030420-04-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,4,2 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1030420-04:
(9*1)+(8*0)+(7*3)+(6*0)+(5*4)+(4*2)+(3*0)+(2*0)+(1*4)=62
62 % 10 = 2
So 1030420-04-2 is a valid CAS Registry Number.

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