80138-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80138-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,1,3 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80138-68:
(7*8)+(6*0)+(5*1)+(4*3)+(3*8)+(2*6)+(1*8)=117
117 % 10 = 7
So 80138-68-7 is a valid CAS Registry Number.