121589-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121589-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,8 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121589-95:
(8*1)+(7*2)+(6*1)+(5*5)+(4*8)+(3*9)+(2*9)+(1*5)=135
135 % 10 = 5
So 121589-95-5 is a valid CAS Registry Number.