73161-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73161-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,6 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73161-47:
(7*7)+(6*3)+(5*1)+(4*6)+(3*1)+(2*4)+(1*7)=114
114 % 10 = 4
So 73161-47-4 is a valid CAS Registry Number.