68305-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68305-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,3,0 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68305-79:
(7*6)+(6*8)+(5*3)+(4*0)+(3*5)+(2*7)+(1*9)=143
143 % 10 = 3
So 68305-79-3 is a valid CAS Registry Number.