40170-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40170-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,7 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40170-68:
(7*4)+(6*0)+(5*1)+(4*7)+(3*0)+(2*6)+(1*8)=81
81 % 10 = 1
So 40170-68-1 is a valid CAS Registry Number.