51104-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51104-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,0 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51104-77:
(7*5)+(6*1)+(5*1)+(4*0)+(3*4)+(2*7)+(1*7)=79
79 % 10 = 9
So 51104-77-9 is a valid CAS Registry Number.