873409-95-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873409-95-1 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 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 873409-95:
(8*8)+(7*7)+(6*3)+(5*4)+(4*0)+(3*9)+(2*9)+(1*5)=201
201 % 10 = 1
So 873409-95-1 is a valid CAS Registry Number.