72680-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72680-49-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,8 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72680-49:
(7*7)+(6*2)+(5*6)+(4*8)+(3*0)+(2*4)+(1*9)=140
140 % 10 = 0
So 72680-49-0 is a valid CAS Registry Number.