73545-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73545-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,4 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73545-52:
(7*7)+(6*3)+(5*5)+(4*4)+(3*5)+(2*5)+(1*2)=135
135 % 10 = 5
So 73545-52-5 is a valid CAS Registry Number.