720678-35-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 720678-35-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,6,7 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 720678-35:
(8*7)+(7*2)+(6*0)+(5*6)+(4*7)+(3*8)+(2*3)+(1*5)=163
163 % 10 = 3
So 720678-35-3 is a valid CAS Registry Number.