121077-60-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121077-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,7 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121077-60:
(8*1)+(7*2)+(6*1)+(5*0)+(4*7)+(3*7)+(2*6)+(1*0)=89
89 % 10 = 9
So 121077-60-9 is a valid CAS Registry Number.