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53403-98-8

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53403-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53403-98-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,0 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 53403-98:
(7*5)+(6*3)+(5*4)+(4*0)+(3*3)+(2*9)+(1*8)=108
108 % 10 = 8
So 53403-98-8 is a valid CAS Registry Number.

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