98395-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98395-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,9 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98395-57:
(7*9)+(6*8)+(5*3)+(4*9)+(3*5)+(2*5)+(1*7)=194
194 % 10 = 4
So 98395-57-4 is a valid CAS Registry Number.