73494-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73494-50-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,9 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73494-50:
(7*7)+(6*3)+(5*4)+(4*9)+(3*4)+(2*5)+(1*0)=145
145 % 10 = 5
So 73494-50-5 is a valid CAS Registry Number.