126445-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126445-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 126445-20:
(8*1)+(7*2)+(6*6)+(5*4)+(4*4)+(3*5)+(2*2)+(1*0)=113
113 % 10 = 3
So 126445-20-3 is a valid CAS Registry Number.