389-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389-32-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,8 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 389-32:
(5*3)+(4*8)+(3*9)+(2*3)+(1*2)=82
82 % 10 = 2
So 389-32-2 is a valid CAS Registry Number.