51128-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51128-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,2 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51128-72:
(7*5)+(6*1)+(5*1)+(4*2)+(3*8)+(2*7)+(1*2)=94
94 % 10 = 4
So 51128-72-4 is a valid CAS Registry Number.