67209-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67209-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,0 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67209-92:
(7*6)+(6*7)+(5*2)+(4*0)+(3*9)+(2*9)+(1*2)=141
141 % 10 = 1
So 67209-92-1 is a valid CAS Registry Number.