122389-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122389-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,3,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 122389-49:
(8*1)+(7*2)+(6*2)+(5*3)+(4*8)+(3*9)+(2*4)+(1*9)=125
125 % 10 = 5
So 122389-49-5 is a valid CAS Registry Number.