73618-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73618-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,1 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73618-72:
(7*7)+(6*3)+(5*6)+(4*1)+(3*8)+(2*7)+(1*2)=141
141 % 10 = 1
So 73618-72-1 is a valid CAS Registry Number.