1220107-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1220107-46-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,1,0 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1220107-46:
(9*1)+(8*2)+(7*2)+(6*0)+(5*1)+(4*0)+(3*7)+(2*4)+(1*6)=79
79 % 10 = 9
So 1220107-46-9 is a valid CAS Registry Number.