325980-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 325980-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,5,9,8 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 325980-91:
(8*3)+(7*2)+(6*5)+(5*9)+(4*8)+(3*0)+(2*9)+(1*1)=164
164 % 10 = 4
So 325980-91-4 is a valid CAS Registry Number.