51544-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51544-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,4 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51544-69:
(7*5)+(6*1)+(5*5)+(4*4)+(3*4)+(2*6)+(1*9)=115
115 % 10 = 5
So 51544-69-5 is a valid CAS Registry Number.