68306-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68306-62-7 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 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 68306-62:
(7*6)+(6*8)+(5*3)+(4*0)+(3*6)+(2*6)+(1*2)=137
137 % 10 = 7
So 68306-62-7 is a valid CAS Registry Number.