1121058-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1121058-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,1,0,5 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1121058-16:
(9*1)+(8*1)+(7*2)+(6*1)+(5*0)+(4*5)+(3*8)+(2*1)+(1*6)=89
89 % 10 = 9
So 1121058-16-9 is a valid CAS Registry Number.