40685-43-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40685-43-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,8 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40685-43:
(7*4)+(6*0)+(5*6)+(4*8)+(3*5)+(2*4)+(1*3)=116
116 % 10 = 6
So 40685-43-6 is a valid CAS Registry Number.