40149-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40149-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,4 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40149-42:
(7*4)+(6*0)+(5*1)+(4*4)+(3*9)+(2*4)+(1*2)=86
86 % 10 = 6
So 40149-42-6 is a valid CAS Registry Number.