17980-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17980-97-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,8 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 17980-97:
(7*1)+(6*7)+(5*9)+(4*8)+(3*0)+(2*9)+(1*7)=151
151 % 10 = 1
So 17980-97-1 is a valid CAS Registry Number.