873413-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873413-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,4,1 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873413-99:
(8*8)+(7*7)+(6*3)+(5*4)+(4*1)+(3*3)+(2*9)+(1*9)=191
191 % 10 = 1
So 873413-99-1 is a valid CAS Registry Number.