1111128-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1111128-74-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,1,1,2 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1111128-74:
(9*1)+(8*1)+(7*1)+(6*1)+(5*1)+(4*2)+(3*8)+(2*7)+(1*4)=85
85 % 10 = 5
So 1111128-74-5 is a valid CAS Registry Number.