720682-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 720682-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,6,8 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 720682-47:
(8*7)+(7*2)+(6*0)+(5*6)+(4*8)+(3*2)+(2*4)+(1*7)=153
153 % 10 = 3
So 720682-47-3 is a valid CAS Registry Number.