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74448-16-1

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74448-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74448-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,4 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74448-16:
(7*7)+(6*4)+(5*4)+(4*4)+(3*8)+(2*1)+(1*6)=141
141 % 10 = 1
So 74448-16-1 is a valid CAS Registry Number.

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