200112-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200112-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,1,1 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 200112-82:
(8*2)+(7*0)+(6*0)+(5*1)+(4*1)+(3*2)+(2*8)+(1*2)=49
49 % 10 = 9
So 200112-82-9 is a valid CAS Registry Number.