40051-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40051-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,5 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40051-40:
(7*4)+(6*0)+(5*0)+(4*5)+(3*1)+(2*4)+(1*0)=59
59 % 10 = 9
So 40051-40-9 is a valid CAS Registry Number.