7113-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7113-11-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,1 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7113-11:
(6*7)+(5*1)+(4*1)+(3*3)+(2*1)+(1*1)=63
63 % 10 = 3
So 7113-11-3 is a valid CAS Registry Number.