679404-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679404-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,9,4,0 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 679404-26:
(8*6)+(7*7)+(6*9)+(5*4)+(4*0)+(3*4)+(2*2)+(1*6)=193
193 % 10 = 3
So 679404-26-3 is a valid CAS Registry Number.