84165-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84165-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,6 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84165-49:
(7*8)+(6*4)+(5*1)+(4*6)+(3*5)+(2*4)+(1*9)=141
141 % 10 = 1
So 84165-49-1 is a valid CAS Registry Number.