12270-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12270-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,7 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12270-89:
(7*1)+(6*2)+(5*2)+(4*7)+(3*0)+(2*8)+(1*9)=82
82 % 10 = 2
So 12270-89-2 is a valid CAS Registry Number.