73441-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73441-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,4 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73441-67:
(7*7)+(6*3)+(5*4)+(4*4)+(3*1)+(2*6)+(1*7)=125
125 % 10 = 5
So 73441-67-5 is a valid CAS Registry Number.