51040-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51040-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,0,4 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51040-66:
(7*5)+(6*1)+(5*0)+(4*4)+(3*0)+(2*6)+(1*6)=75
75 % 10 = 5
So 51040-66-5 is a valid CAS Registry Number.