406193-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 406193-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,6,1,9 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 406193-87:
(8*4)+(7*0)+(6*6)+(5*1)+(4*9)+(3*3)+(2*8)+(1*7)=141
141 % 10 = 1
So 406193-87-1 is a valid CAS Registry Number.