873411-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873411-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,4,1 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873411-89:
(8*8)+(7*7)+(6*3)+(5*4)+(4*1)+(3*1)+(2*8)+(1*9)=183
183 % 10 = 3
So 873411-89-3 is a valid CAS Registry Number.