68134-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68134-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,3 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68134-09:
(7*6)+(6*8)+(5*1)+(4*3)+(3*4)+(2*0)+(1*9)=128
128 % 10 = 8
So 68134-09-8 is a valid CAS Registry Number.