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194540-03-9

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194540-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194540-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,5,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 194540-03:
(8*1)+(7*9)+(6*4)+(5*5)+(4*4)+(3*0)+(2*0)+(1*3)=139
139 % 10 = 9
So 194540-03-9 is a valid CAS Registry Number.

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