943408-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943408-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,4,0 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 943408-23:
(8*9)+(7*4)+(6*3)+(5*4)+(4*0)+(3*8)+(2*2)+(1*3)=169
169 % 10 = 9
So 943408-23-9 is a valid CAS Registry Number.