84122-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84122-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,2 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 84122-84:
(7*8)+(6*4)+(5*1)+(4*2)+(3*2)+(2*8)+(1*4)=119
119 % 10 = 9
So 84122-84-9 is a valid CAS Registry Number.