408523-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 408523-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,5,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 408523-83:
(8*4)+(7*0)+(6*8)+(5*5)+(4*2)+(3*3)+(2*8)+(1*3)=141
141 % 10 = 1
So 408523-83-1 is a valid CAS Registry Number.