220792-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220792-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,7,9 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220792-02:
(8*2)+(7*2)+(6*0)+(5*7)+(4*9)+(3*2)+(2*0)+(1*2)=109
109 % 10 = 9
So 220792-02-9 is a valid CAS Registry Number.