66901-92-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66901-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,0 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 66901-92:
(7*6)+(6*6)+(5*9)+(4*0)+(3*1)+(2*9)+(1*2)=146
146 % 10 = 6
So 66901-92-6 is a valid CAS Registry Number.