40189-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40189-38-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,8 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40189-38:
(7*4)+(6*0)+(5*1)+(4*8)+(3*9)+(2*3)+(1*8)=106
106 % 10 = 6
So 40189-38-6 is a valid CAS Registry Number.