67779-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67779-26-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,7 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 67779-26:
(7*6)+(6*7)+(5*7)+(4*7)+(3*9)+(2*2)+(1*6)=184
184 % 10 = 4
So 67779-26-4 is a valid CAS Registry Number.