121040-35-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121040-35-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,4 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121040-35:
(8*1)+(7*2)+(6*1)+(5*0)+(4*4)+(3*0)+(2*3)+(1*5)=55
55 % 10 = 5
So 121040-35-5 is a valid CAS Registry Number.