54266-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54266-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,6 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54266-19:
(7*5)+(6*4)+(5*2)+(4*6)+(3*6)+(2*1)+(1*9)=122
122 % 10 = 2
So 54266-19-2 is a valid CAS Registry Number.