1121-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1121-95-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,2 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1121-95:
(6*1)+(5*1)+(4*2)+(3*1)+(2*9)+(1*5)=45
45 % 10 = 5
So 1121-95-5 is a valid CAS Registry Number.