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416844-85-4

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416844-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 416844-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,6,8,4 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 416844-85:
(8*4)+(7*1)+(6*6)+(5*8)+(4*4)+(3*4)+(2*8)+(1*5)=164
164 % 10 = 4
So 416844-85-4 is a valid CAS Registry Number.

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