400755-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 400755-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,0,7,5 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 400755-87:
(8*4)+(7*0)+(6*0)+(5*7)+(4*5)+(3*5)+(2*8)+(1*7)=125
125 % 10 = 5
So 400755-87-5 is a valid CAS Registry Number.