328921-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 328921-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,8,9,2 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 328921-66:
(8*3)+(7*2)+(6*8)+(5*9)+(4*2)+(3*1)+(2*6)+(1*6)=160
160 % 10 = 0
So 328921-66-0 is a valid CAS Registry Number.