73454-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73454-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,5 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73454-13:
(7*7)+(6*3)+(5*4)+(4*5)+(3*4)+(2*1)+(1*3)=124
124 % 10 = 4
So 73454-13-4 is a valid CAS Registry Number.