220094-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220094-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,0,9 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 220094-93:
(8*2)+(7*2)+(6*0)+(5*0)+(4*9)+(3*4)+(2*9)+(1*3)=99
99 % 10 = 9
So 220094-93-9 is a valid CAS Registry Number.