84045-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84045-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,4 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84045-90:
(7*8)+(6*4)+(5*0)+(4*4)+(3*5)+(2*9)+(1*0)=129
129 % 10 = 9
So 84045-90-9 is a valid CAS Registry Number.