873405-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873405-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,4,0 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873405-49:
(8*8)+(7*7)+(6*3)+(5*4)+(4*0)+(3*5)+(2*4)+(1*9)=183
183 % 10 = 3
So 873405-49-3 is a valid CAS Registry Number.