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443991-53-5

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443991-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443991-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,9,9 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 443991-53:
(8*4)+(7*4)+(6*3)+(5*9)+(4*9)+(3*1)+(2*5)+(1*3)=175
175 % 10 = 5
So 443991-53-5 is a valid CAS Registry Number.

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