84165-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84165-58-2 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, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84165-58:
(7*8)+(6*4)+(5*1)+(4*6)+(3*5)+(2*5)+(1*8)=142
142 % 10 = 2
So 84165-58-2 is a valid CAS Registry Number.