1092-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1092-20-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,9 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1092-20:
(6*1)+(5*0)+(4*9)+(3*2)+(2*2)+(1*0)=52
52 % 10 = 2
So 1092-20-2 is a valid CAS Registry Number.