71733-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71733-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,3 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71733-45:
(7*7)+(6*1)+(5*7)+(4*3)+(3*3)+(2*4)+(1*5)=124
124 % 10 = 4
So 71733-45-4 is a valid CAS Registry Number.