121365-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121365-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,6 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121365-31:
(8*1)+(7*2)+(6*1)+(5*3)+(4*6)+(3*5)+(2*3)+(1*1)=89
89 % 10 = 9
So 121365-31-9 is a valid CAS Registry Number.