73550-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73550-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73550-52:
(7*7)+(6*3)+(5*5)+(4*5)+(3*0)+(2*5)+(1*2)=124
124 % 10 = 4
So 73550-52-4 is a valid CAS Registry Number.