121044-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121044-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,4 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121044-11:
(8*1)+(7*2)+(6*1)+(5*0)+(4*4)+(3*4)+(2*1)+(1*1)=59
59 % 10 = 9
So 121044-11-9 is a valid CAS Registry Number.