98174-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98174-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,7 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98174-55:
(7*9)+(6*8)+(5*1)+(4*7)+(3*4)+(2*5)+(1*5)=171
171 % 10 = 1
So 98174-55-1 is a valid CAS Registry Number.