73342-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73342-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,3,4 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73342-55:
(7*7)+(6*3)+(5*3)+(4*4)+(3*2)+(2*5)+(1*5)=119
119 % 10 = 9
So 73342-55-9 is a valid CAS Registry Number.