67766-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67766-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,6 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67766-92:
(7*6)+(6*7)+(5*7)+(4*6)+(3*6)+(2*9)+(1*2)=181
181 % 10 = 1
So 67766-92-1 is a valid CAS Registry Number.