612820-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 612820-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,8,2 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 612820-23:
(8*6)+(7*1)+(6*2)+(5*8)+(4*2)+(3*0)+(2*2)+(1*3)=122
122 % 10 = 2
So 612820-23-2 is a valid CAS Registry Number.