5077-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5077-71-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,7 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5077-71:
(6*5)+(5*0)+(4*7)+(3*7)+(2*7)+(1*1)=94
94 % 10 = 4
So 5077-71-4 is a valid CAS Registry Number.