70200-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70200-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,0 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70200-77:
(7*7)+(6*0)+(5*2)+(4*0)+(3*0)+(2*7)+(1*7)=80
80 % 10 = 0
So 70200-77-0 is a valid CAS Registry Number.