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74178-38-4

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74178-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74178-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,7 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74178-38:
(7*7)+(6*4)+(5*1)+(4*7)+(3*8)+(2*3)+(1*8)=144
144 % 10 = 4
So 74178-38-4 is a valid CAS Registry Number.

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