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18839-09-3

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18839-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18839-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,3 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18839-09:
(7*1)+(6*8)+(5*8)+(4*3)+(3*9)+(2*0)+(1*9)=143
143 % 10 = 3
So 18839-09-3 is a valid CAS Registry Number.

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