72445-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72445-72-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,4 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 72445-72:
(7*7)+(6*2)+(5*4)+(4*4)+(3*5)+(2*7)+(1*2)=128
128 % 10 = 8
So 72445-72-8 is a valid CAS Registry Number.