220112-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220112-78-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,1 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 220112-78:
(8*2)+(7*2)+(6*0)+(5*1)+(4*1)+(3*2)+(2*7)+(1*8)=67
67 % 10 = 7
So 220112-78-7 is a valid CAS Registry Number.