905980-61-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 905980-61-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,9,8 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 905980-61:
(8*9)+(7*0)+(6*5)+(5*9)+(4*8)+(3*0)+(2*6)+(1*1)=192
192 % 10 = 2
So 905980-61-2 is a valid CAS Registry Number.