1083040-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1083040-52-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,3,0,4 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1083040-52:
(9*1)+(8*0)+(7*8)+(6*3)+(5*0)+(4*4)+(3*0)+(2*5)+(1*2)=111
111 % 10 = 1
So 1083040-52-1 is a valid CAS Registry Number.