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139874-71-8

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139874-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139874-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,8,7 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139874-71:
(8*1)+(7*3)+(6*9)+(5*8)+(4*7)+(3*4)+(2*7)+(1*1)=178
178 % 10 = 8
So 139874-71-8 is a valid CAS Registry Number.

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