70000-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70000-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,0 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70000-80:
(7*7)+(6*0)+(5*0)+(4*0)+(3*0)+(2*8)+(1*0)=65
65 % 10 = 5
So 70000-80-5 is a valid CAS Registry Number.