20167-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20167-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,6 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20167-92:
(7*2)+(6*0)+(5*1)+(4*6)+(3*7)+(2*9)+(1*2)=84
84 % 10 = 4
So 20167-92-4 is a valid CAS Registry Number.