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75403-50-8

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75403-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75403-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,0 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75403-50:
(7*7)+(6*5)+(5*4)+(4*0)+(3*3)+(2*5)+(1*0)=118
118 % 10 = 8
So 75403-50-8 is a valid CAS Registry Number.

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