40151-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40151-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,5 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40151-19:
(7*4)+(6*0)+(5*1)+(4*5)+(3*1)+(2*1)+(1*9)=67
67 % 10 = 7
So 40151-19-7 is a valid CAS Registry Number.