32905-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32905-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,9,0 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 32905-80:
(7*3)+(6*2)+(5*9)+(4*0)+(3*5)+(2*8)+(1*0)=109
109 % 10 = 9
So 32905-80-9 is a valid CAS Registry Number.