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1242427-42-4

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1242427-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242427-42-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,4,2 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1242427-42:
(9*1)+(8*2)+(7*4)+(6*2)+(5*4)+(4*2)+(3*7)+(2*4)+(1*2)=124
124 % 10 = 4
So 1242427-42-4 is a valid CAS Registry Number.

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